Genesis 17:11

Ye shall circumcise the foreskin of your flesh, and it shall be a token of the covenant betwixt me and you.

Romans 4:11

And he received the sign of circumcision, as a seal of the righteousness which is by faith: which faith he had, yet being uncircumcised, that he should be the father of all them that believe: though they be not circumcised, that righteousness might be imputed to them also;

Acts 7:8

And he gave him the covenant of circumcision, and he begat Isaac, and circumcised him the eighth day, and Isaac begat Jacob, and Jacob the twelve patriarchs.

Exodus 4:25

Then Zipporah took a stone and circumcised her son, and fell at his feet, and said, "A bloody husband art thou unto me."

Exodus 12:48

If a stranger dwell among you, and will hold Passover unto the LORD, let him circumcise all that be males, and then let him come and observe it, and be taken as one that is born in the land. No uncircumcised person shall eat thereof.

Deuteronomy 10:16

Circumcise, therefore, the foreskin of your hearts, and be no longer stiff-necked.

Joshua 5:3

And Joshua made him knives of stone and circumcised the children of Israel in the hill of foreskins.

1 Samuel 18:25-27

Then said Saul, "This wise say to David: 'The king careth for no other dowry but for a hundred foreskins of the Philistines, to be avenged of the king's enemies." For Saul thought to make David fall into the hands of the Philistines.

2 Samuel 3:14

And David sent messengers to Ishbosheth Saul's son saying, "Deliver me my wife Michal which I married with a hundred foreskins of the Philistines."

Treasury of Scripture Knowledge

Summary

And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you.

Bible References

The flesh

Exodus 4:25
Then Zipporah took a stone and circumcised her son, and fell at his feet, and said, "A bloody husband art thou unto me."
Joshua 5:3
And Joshua made him knives of stone and circumcised the children of Israel in the hill of foreskins.
1 Samuel 18:25
Then said Saul, "This wise say to David: 'The king careth for no other dowry but for a hundred foreskins of the Philistines, to be avenged of the king's enemies." For Saul thought to make David fall into the hands of the Philistines.
2 Samuel 3:14
And David sent messengers to Ishbosheth Saul's son saying, "Deliver me my wife Michal which I married with a hundred foreskins of the Philistines."
Exodus 4:25
Then Zipporah took a stone and circumcised her son, and fell at his feet, and said, "A bloody husband art thou unto me."
Joshua 5:3
And Joshua made him knives of stone and circumcised the children of Israel in the hill of foreskins.
1 Samuel 18:25
Then said Saul, "This wise say to David: 'The king careth for no other dowry but for a hundred foreskins of the Philistines, to be avenged of the king's enemies." For Saul thought to make David fall into the hands of the Philistines.
2 Samuel 3:14
And David sent messengers to Ishbosheth Saul's son saying, "Deliver me my wife Michal which I married with a hundred foreskins of the Philistines."

A token

Acts 7:8
And he gave him the covenant of circumcision, and he begat Isaac, and circumcised him the eighth day, and Isaac begat Jacob, and Jacob the twelve patriarchs.
Romans 4:11
And he received the sign of circumcision, as a seal of the righteousness which is by faith: which faith he had, yet being uncircumcised, that he should be the father of all them that believe: though they be not circumcised, that righteousness might be imputed to them also;
Acts 7:8
And he gave him the covenant of circumcision, and he begat Isaac, and circumcised him the eighth day, and Isaac begat Jacob, and Jacob the twelve patriarchs.
Romans 4:11
And he received the sign of circumcision, as a seal of the righteousness which is by faith: which faith he had, yet being uncircumcised, that he should be the father of all them that believe: though they be not circumcised, that righteousness might be imputed to them also;

General references

Genesis 9:12
And God said, "This is the token of my covenant which I make between me and you, and between all living thing, that is with you forever:
Genesis 21:4
and Abraham circumcised Isaac his son when he was eight days old, as God commanded him.
Leviticus 12:3
And in the eighth day the flesh of the child's foreskin shall be cut away.
Genesis 9:12
And God said, "This is the token of my covenant which I make between me and you, and between all living thing, that is with you forever:
Genesis 21:4
and Abraham circumcised Isaac his son when he was eight days old, as God commanded him.
Leviticus 12:3
And in the eighth day the flesh of the child's foreskin shall be cut away.