APA (7th ed.) Citation

Hutchins, C. M. (1961). Life's key--DNA: A biological adventure into the unknown. Coward-McCann.

Chicago Style (17th ed.) Citation

Hutchins, Carleen Maley. Life's Key--DNA: A Biological Adventure into the Unknown. New York: Coward-McCann, 1961.

MLA (9th ed.) Citation

Hutchins, Carleen Maley. Life's Key--DNA: A Biological Adventure into the Unknown. Coward-McCann, 1961.