APA (7th ed.) Citation

Colbert, E. H. (1969). Evolution of the vertebrates (2nd ed.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Colbert, Edwin H. Evolution of the Vertebrates. 2nd ed. New York: John Wiley & Sons, 1969.

MLA (9th ed.) Citation

Colbert, Edwin H. Evolution of the Vertebrates. 2nd ed. John Wiley & Sons, 1969.