Revelation 14:9

And another angel, a third, followed them, saying with a great voice, "If anyone worships the beast and his image, and receives a mark on his forehead or on his hand,

Revelation 14:11

And the smoke of their torment ascends forever and ever; and they have no rest day and night, those who worship the beast and his image, and whosoever receives the mark of his name.

Revelation 13:3-6

and I saw one of his heads, as if smitten to death. And his death-stroke was healed; and all the earth wondered after the beast.

Revelation 13:11-17

And I saw another beast coming up out of the earth; and he had two horns like a lamb, and he was speaking as a dragon.

Revelation 14:6-8

And I saw another angel flying in mid-heaven, having the eternal Gospel to proclaim to those who dwell on the earth, and to every nation, and tribe, and tongue, and people;

Treasury of Scripture Knowledge

Summary

And the third angel followed them, saying with a loud voice, If any man worship the beast and his image, and receive his mark in his forehead, or in his hand,

The third

Bible References

The third

Revelation 14:6
And I saw another angel flying in mid-heaven, having the eternal Gospel to proclaim to those who dwell on the earth, and to every nation, and tribe, and tongue, and people;

If

Revelation 14:11
And the smoke of their torment ascends forever and ever; and they have no rest day and night, those who worship the beast and his image, and whosoever receives the mark of his name.
Revelation 13:3
and I saw one of his heads, as if smitten to death. And his death-stroke was healed; and all the earth wondered after the beast.