Leviticus 20:10

And the man that committeth adultery with another man's wife, even he that committeth adultery with his neighbour's wife, the adulterer and the adulteress shall surely be put to death.

Exodus 20:14

Thou shalt not commit adultery.

Leviticus 18:20

Moreover thou shalt not lie carnally with thy neighbour's wife, to defile thyself with her.

Deuteronomy 5:18

Neither shalt thou commit adultery.

John 8:4-5

They say unto him, Master, this woman was taken in adultery, in the very act.

Deuteronomy 22:22-24

If a man be found lying with a woman married to an husband, then they shall both of them die, both the man that lay with the woman, and the woman: so shalt thou put away evil from Israel.

2 Samuel 12:13

And David said unto Nathan, I have sinned against the LORD. And Nathan said unto David, The LORD also hath put away thy sin; thou shalt not die.

Ezekiel 23:45-47

And the righteous men, they shall judge them after the manner of adulteresses, and after the manner of women that shed blood; because they are adulteresses, and blood is in their hands.

Treasury of Scripture Knowledge

Summary

And the man that committeth adultery with another man's wife, even he that committeth adultery with his neighbour's wife, the adulterer and the adulteress shall surely be put to death.

Bible References

The adulterer

Deuteronomy 22:22
If a man be found lying with a woman married to an husband, then they shall both of them die, both the man that lay with the woman, and the woman: so shalt thou put away evil from Israel.
2 Samuel 12:13
And David said unto Nathan, I have sinned against the LORD. And Nathan said unto David, The LORD also hath put away thy sin; thou shalt not die.
Ezekiel 23:45
And the righteous men, they shall judge them after the manner of adulteresses, and after the manner of women that shed blood; because they are adulteresses, and blood is in their hands.
John 8:4
They say unto him, Master, this woman was taken in adultery, in the very act.

General references

Exodus 20:14
Thou shalt not commit adultery.
Leviticus 18:20
Moreover thou shalt not lie carnally with thy neighbour's wife, to defile thyself with her.
Numbers 5:13
And a man lie with her carnally, and it be hid from the eyes of her husband, and be kept close, and she be defiled, and there be no witness against her, neither she be taken with the manner;
Deuteronomy 22:22
If a man be found lying with a woman married to an husband, then they shall both of them die, both the man that lay with the woman, and the woman: so shalt thou put away evil from Israel.

King James Version Public Domain