APA (7th ed.) Citation

Sinnott, E. (1955). The biology of the spirit. The Viking Press.

Chicago Style (17th ed.) Citation

Sinnott, E.W. The Biology of the Spirit. New York: The Viking Press, 1955.

MLA (9th ed.) Citation

Sinnott, E.W. The Biology of the Spirit. The Viking Press, 1955.

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