APA (7th ed.) Citation

Keppel, D. (1918). The book of Revelation not a mystery. Methodist Book Concern.

Chicago Style (17th ed.) Citation

Keppel, David. The Book of Revelation Not a Mystery. New York: Methodist Book Concern, 1918.

MLA (8th ed.) Citation

Keppel, David. The Book of Revelation Not a Mystery. Methodist Book Concern, 1918.

Warning: These citations may not always be 100% accurate.