APA

Colbert E. H., . (1955). Evolution of the vertebrates: a history of the backboned animals through time. New York: Wiley.

Chicago

Colbert Edwin Harris, . 1955. Evolution of the vertebrates: a history of the backboned animals through time. New York: Wiley.

Harvard

Colbert E. H., . (1955). Evolution of the vertebrates: a history of the backboned animals through time. New York: Wiley.

MLA

Colbert Edwin Harris, . Evolution of the vertebrates: a history of the backboned animals through time. New York: Wiley. 1955.