APA (7th ed.) Citation

Denhardt, R. M. (1948). The horse of the Americas. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Denhardt, Robert Moorman. The Horse of the Americas. Norman: University of Oklahoma Press, 1948.

MLA (9th ed.) Citation

Denhardt, Robert Moorman. The Horse of the Americas. University of Oklahoma Press, 1948.