APA (7th ed.) Citation

Welles, S. P. (1941). The mandible of a diadectid cotylosaur. University of California Press.

Chicago Style (17th ed.) Citation

Welles, Samuel P. The Mandible of a Diadectid Cotylosaur. Berkeley, CA: University of California Press, 1941.

MLA (9th ed.) Citation

Welles, Samuel P. The Mandible of a Diadectid Cotylosaur. University of California Press, 1941.