APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (1942). Sperm Studies as a Guide in Fur-Animal Breeding Practice, Apr. 1942. [s.n.].

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Sperm Studies as a Guide in Fur-Animal Breeding Practice, Apr. 1942. [Washington]: [s.n.], 1942.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Sperm Studies as a Guide in Fur-Animal Breeding Practice, Apr. 1942. [s.n.], 1942.