APA

U.S. Fish and Wildlife Service, U.S. Fish and Wildlife Service, .Band-tailed pigeon population status. Laurel, MD: U.S. Fish and Wildlife Services, Division of Migratory Bird Management, Population and Habitat Assessment Branch.

Chicago

U.S. Fish and Wildlife Service, U.S. Fish and Wildlife Service, .Band-tailed pigeon population status. Laurel, MD: U.S. Fish and Wildlife Services, Division of Migratory Bird Management, Population and Habitat Assessment Branch.

Harvard

U.S. Fish and Wildlife Service, U.S. Fish and Wildlife Service, .Band-tailed pigeon population status. Laurel, MD: U.S. Fish and Wildlife Services, Division of Migratory Bird Management, Population and Habitat Assessment Branch.

MLA

U.S. Fish and Wildlife Service, U.S. Fish and Wildlife Service, .Laurel, MD: U.S. Fish and Wildlife Services, Division of Migratory Bird Management, Population and Habitat Assessment Branch. .