APA (7th ed.) Citation

Warren, E. R. (1942). The mammals of Colorado: Their habits and distribution (2d (rev.) ed.). University of Oklahoma press.

Chicago Style (17th ed.) Citation

Warren, Edward Royal. The Mammals of Colorado: Their Habits and Distribution. 2d (rev.) ed. Norman: University of Oklahoma press, 1942.

MLA (9th ed.) Citation

Warren, Edward Royal. The Mammals of Colorado: Their Habits and Distribution. 2d (rev.) ed. University of Oklahoma press, 1942.