APA (7th ed.) Citation

Colbert, E. H. (1964). Relationships of the saurischian dinosaurs.

Chicago Style (17th ed.) Citation

Colbert, Edwin H. Relationships of the Saurischian Dinosaurs. New York, NY, 1964.

MLA (9th ed.) Citation

Colbert, Edwin H. Relationships of the Saurischian Dinosaurs. 1964.

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