APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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