APA (7th ed.) Citation

Riddle, O. b. (1954). The unleashing of evolutionary thought. Vantage Press.

Chicago Style (17th ed.) Citation

Riddle, Oscar b.1877-. The Unleashing of Evolutionary Thought. New York: Vantage Press, 1954.

MLA (9th ed.) Citation

Riddle, Oscar b.1877-. The Unleashing of Evolutionary Thought. Vantage Press, 1954.

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