APA (7th ed.) Citation

Service, U. F. a. W. (1995). Walrus: (Odobenus rosmarus). [Washington, D.C.?] : The Service.

Chicago Style (17th ed.) Citation

Service, U.S. Fish and Wildlife. Walrus: (Odobenus Rosmarus). [Washington, D.C.?] : The Service, 1995.

MLA (9th ed.) Citation

Service, U.S. Fish and Wildlife. Walrus: (Odobenus Rosmarus). [Washington, D.C.?] : The Service, 1995.

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