APA

U.S. Fish and Wildlife Service, . (2011). National Elk Refuge: bison hunting information and regulations. [Jackson, WY]: U.S. Department of the Interior, U.S. Fish and Wildlife Service.

Chicago

U.S. Fish and Wildlife Service, . 2011. National Elk Refuge: bison hunting information and regulations. [Jackson, WY]: U.S. Department of the Interior, U.S. Fish and Wildlife Service.

Harvard

U.S. Fish and Wildlife Service, . (2011). National Elk Refuge: bison hunting information and regulations. [Jackson, WY]: U.S. Department of the Interior, U.S. Fish and Wildlife Service.

MLA

U.S. Fish and Wildlife Service, . National Elk Refuge: bison hunting information and regulations. [Jackson, WY]: U.S. Department of the Interior, U.S. Fish and Wildlife Service. 2011.