APA (7th ed.) Citation

Colbert, E. H. (1969). Evolution of the vertebrates: A history of the backboned animals through time (2d ed.). Wiley.

Chicago Style (17th ed.) Citation

Colbert, Edwin Harris. Evolution of the Vertebrates: A History of the Backboned Animals Through Time. 2d ed. New York: Wiley, 1969.

MLA (9th ed.) Citation

Colbert, Edwin Harris. Evolution of the Vertebrates: A History of the Backboned Animals Through Time. 2d ed. Wiley, 1969.