APA (7th ed.) Citation

Colbert, E. H. (1995). The little dinosaurs of Ghost Ranch. Columbia University Press.

Chicago Style (17th ed.) Citation

Colbert, Edwin H. The Little Dinosaurs of Ghost Ranch. New York: Columbia University Press, 1995.

MLA (9th ed.) Citation

Colbert, Edwin H. The Little Dinosaurs of Ghost Ranch. Columbia University Press, 1995.