APA (7th ed.) Citation

Simpson, G. G. (1944). Tempo and mode in evolution. Columbia university press.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord. Tempo and Mode in Evolution. New York: Columbia university press, 1944.

MLA (9th ed.) Citation

Simpson, George Gaylord. Tempo and Mode in Evolution. Columbia university press, 1944.

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