APA (7th ed.) Citation

International Council for Bird Preservation, International Union for Conservation of Nature and Natural Resources, & Collar, N. J. (1992). Threatened birds of the Americas: The ICBP/IUCN red data book, part 2. Smithsonian Institution Press in cooperation with International Council for Bird Preservation.

Chicago Style (17th ed.) Citation

International Council for Bird Preservation, International Union for Conservation of Nature and Natural Resources, and N. J. Collar. Threatened Birds of the Americas: The ICBP/IUCN Red Data Book, Part 2. Washington ; London: Smithsonian Institution Press in cooperation with International Council for Bird Preservation, 1992.

MLA (9th ed.) Citation

International Council for Bird Preservation, et al. Threatened Birds of the Americas: The ICBP/IUCN Red Data Book, Part 2. Smithsonian Institution Press in cooperation with International Council for Bird Preservation, 1992.