Mark 10:11

and he saith to them, 'Whoever may put away his wife, and may marry another, doth commit adultery against her;

Luke 16:18

'Every one who is sending away his wife, and marrying another, doth commit adultery; and every one who is marrying her sent away from a husband doth commit adultery.

Matthew 5:31-32

'And it was said, That whoever may put away his wife, let him give to her a writing of divorce;

Matthew 19:9

'And I say to you, that, whoever may put away his wife, if not for whoredom, and may marry another, doth commit adultery; and he who did marry her that hath been put away, doth commit adultery.'

Romans 7:3

so, then, the husband being alive, an adulteress she shall be called if she may become another man's; and if the husband may die, she is free from the law, so as not to be an adulteress, having become another man's.

1 Corinthians 7:4

the wife over her own body hath not authority, but the husband; and, in like manner also, the husband over his own body hath not authority, but the wife.

1 Corinthians 7:10-11

and to the married I announce -- not I, but the Lord -- let not a wife separate from a husband:

Hebrews 13:4

honourable is the marriage in all, and the bed undefiled, and whoremongers and adulterers God shall judge.

Treasury of Scripture Knowledge

Summary

And he saith unto them, Whosoever shall put away his wife, and marry another, committeth adultery against her.

Bible References

Whosoever

Matthew 5:31
'And it was said, That whoever may put away his wife, let him give to her a writing of divorce;
Matthew 19:9
'And I say to you, that, whoever may put away his wife, if not for whoredom, and may marry another, doth commit adultery; and he who did marry her that hath been put away, doth commit adultery.'
Luke 16:18
'Every one who is sending away his wife, and marrying another, doth commit adultery; and every one who is marrying her sent away from a husband doth commit adultery.
Romans 7:3
so, then, the husband being alive, an adulteress she shall be called if she may become another man's; and if the husband may die, she is free from the law, so as not to be an adulteress, having become another man's.
1 Corinthians 7:4
the wife over her own body hath not authority, but the husband; and, in like manner also, the husband over his own body hath not authority, but the wife.
Hebrews 13:4
honourable is the marriage in all, and the bed undefiled, and whoremongers and adulterers God shall judge.

General references

Exodus 20:14
'Thou dost not commit adultery.
Luke 16:18
'Every one who is sending away his wife, and marrying another, doth commit adultery; and every one who is marrying her sent away from a husband doth commit adultery.
1 Corinthians 7:4
the wife over her own body hath not authority, but the husband; and, in like manner also, the husband over his own body hath not authority, but the wife.