APA (7th ed.) Citation

U.S. Fish and Wildlife Service. Region 6. (1991). Information on foam systems. U.S. Dept. of the Interior, Fish and Wildlife Service, Mountain-Prairie Region.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Region 6. Information on Foam Systems. Denver, Colo.: U.S. Dept. of the Interior, Fish and Wildlife Service, Mountain-Prairie Region, 1991.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Region 6. Information on Foam Systems. U.S. Dept. of the Interior, Fish and Wildlife Service, Mountain-Prairie Region, 1991.