APA (7th ed.) Citation

Keller, D. H. (1949). The eternal conflict ([1st ed.].). Prime Press.

Chicago Style (17th ed.) Citation

Keller, David H. The Eternal Conflict. [1st ed.]. Philadelphia: Prime Press, 1949.

MLA (9th ed.) Citation

Keller, David H. The Eternal Conflict. [1st ed.]. Prime Press, 1949.