APA (7th ed.) Citation

World Wildlife Fund (U.S.) & Beacham, W. (1997). World Wildlife Fund guide to extinct species of modern times. Beacham Pub..

Chicago Style (17th ed.) Citation

World Wildlife Fund (U.S.) and Walton Beacham. World Wildlife Fund Guide to Extinct Species of Modern Times. Osprey, FL: Beacham Pub., 1997.

MLA (8th ed.) Citation

World Wildlife Fund (U.S.) and Walton Beacham. World Wildlife Fund Guide to Extinct Species of Modern Times. Beacham Pub., 1997.

Warning: These citations may not always be 100% accurate.