APA (7th ed.) Citation

United States. Bureau of Biological Survey. (1938). Reproductive cycle of coyote. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Biological Survey. Reproductive Cycle of Coyote. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Bureau of Biological Survey. Reproductive Cycle of Coyote. [s.n.], 1938.

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