APA (7th ed.) Citation

Prothero, D. R., & Schoch, R. M. (2002). Horns, tusks, and flippers: The evolution of hoofed mammals. Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Prothero, Donald R., and Robert M. Schoch. Horns, Tusks, and Flippers: The Evolution of Hoofed Mammals. Baltimore: Johns Hopkins University Press, 2002.

MLA (8th ed.) Citation

Prothero, Donald R., and Robert M. Schoch. Horns, Tusks, and Flippers: The Evolution of Hoofed Mammals. Johns Hopkins University Press, 2002.

Warning: These citations may not always be 100% accurate.