APA (7th ed.) Citation

Heist, W. W. (1952). The fifteen signs before doomsday. Michigan State College Press.

Chicago Style (17th ed.) Citation

Heist, William Watts. The Fifteen Signs Before Doomsday. [East Lansing]: Michigan State College Press, 1952.

MLA (9th ed.) Citation

Heist, William Watts. The Fifteen Signs Before Doomsday. Michigan State College Press, 1952.

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