APA (7th ed.) Citation

Geis, D., & Peterson, R. F. (1959). Dinosaurs and other prehistoric animals. Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Geis, Darlene, and R. F. Peterson. Dinosaurs and Other Prehistoric Animals. New York: Grosset & Dunlap, 1959.

MLA (9th ed.) Citation

Geis, Darlene, and R. F. Peterson. Dinosaurs and Other Prehistoric Animals. Grosset & Dunlap, 1959.