APA (7th ed.) Citation

U.S. North American Bird Conservation Initiative, United States. Department of the Interior, American Bird Conservancy, Association of Fish & Wildlife Agencies, Cornell University. Laboratory of Ornithology, Ducks Unlimited, . . . Geological Survey (U.S.). (2014). The state of the birds 2014: United States of America. U.S. Department of the Interior.

Chicago Style (17th ed.) Citation

U.S. North American Bird Conservation Initiative, et al. The State of the Birds 2014: United States of America. Washington, DC: U.S. Department of the Interior, 2014.

MLA (9th ed.) Citation

U.S. North American Bird Conservation Initiative, et al. The State of the Birds 2014: United States of America. U.S. Department of the Interior, 2014.