APA (7th ed.) Citation

U.S. Fish and Wildlife Service, Hothem, R. L., & Otis, D. L. (1988). Bird damage to sunflower in North Dakota, South Dakota, and Minnesota, 1979-1981. U.S. Dept. of the Interior, Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service, Roger L. Hothem, and David L. Otis. Bird Damage to Sunflower in North Dakota, South Dakota, and Minnesota, 1979-1981. Washington, D.C.: U.S. Dept. of the Interior, Fish and Wildlife Service, 1988.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service, et al. Bird Damage to Sunflower in North Dakota, South Dakota, and Minnesota, 1979-1981. U.S. Dept. of the Interior, Fish and Wildlife Service, 1988.