APA (7th ed.) Citation

Wallmo, O. C. (1981). Mule and black-tailed deer of North America. University of Nebraska Press.

Chicago Style (17th ed.) Citation

Wallmo, Olof C. Mule and Black-tailed Deer of North America. Lincoln: University of Nebraska Press, 1981.

MLA (9th ed.) Citation

Wallmo, Olof C. Mule and Black-tailed Deer of North America. University of Nebraska Press, 1981.