APA (7th ed.) Citation

Beller, W. C. (1961). The Theomachia: A trilogy. Horizon Press.

Chicago Style (17th ed.) Citation

Beller, William Charles. The Theomachia: A Trilogy. [New York]: Horizon Press, 1961.

MLA (9th ed.) Citation

Beller, William Charles. The Theomachia: A Trilogy. Horizon Press, 1961.

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