APA ציטוט

King, W. B., & Vincent, J. (1981). Endangered birds of the world, the ICBP bird Red data book. Published by the Smithsonian Institution Press in cooperation with the International Council for Bird Preservation.

Chicago Style (17th ed.) Citation

King, Warren B., and Jack Vincent. Endangered Birds of the World, the ICBP Bird Red Data Book. Washington, D.C: Published by the Smithsonian Institution Press in cooperation with the International Council for Bird Preservation, 1981.

ציטוט MLA

King, Warren B., and Jack Vincent. Endangered Birds of the World, the ICBP Bird Red Data Book. Published by the Smithsonian Institution Press in cooperation with the International Council for Bird Preservation, 1981.