APA (7th ed.) Citation

International Council for Bird Preservation, International Union for Conservation of Nature and Natural Resources. Species Survival Commission, & King, W. B. (1981). Endangered birds of the world: The ICBP bird red data book (Second revised edition, reprint in handbook form.). Smithsonian Institution Press in cooperation with the International Council for Bird Preservation.

Chicago Style (17th ed.) Citation

International Council for Bird Preservation, International Union for Conservation of Nature and Natural Resources. Species Survival Commission, and Warren B. King. Endangered Birds of the World: The ICBP Bird Red Data Book. Second revised edition, reprint in handbook form. Washington, D.C.: Smithsonian Institution Press in cooperation with the International Council for Bird Preservation, 1981.

MLA (9th ed.) Citation

International Council for Bird Preservation, et al. Endangered Birds of the World: The ICBP Bird Red Data Book. Second revised edition, reprint in handbook form. Smithsonian Institution Press in cooperation with the International Council for Bird Preservation, 1981.