APA (7th ed.) Citation

Littlewood, C., & Ovenden, D. (1972). The world's vanishing birds. Arco.

Chicago Style (17th ed.) Citation

Littlewood, Cyril, and Denys Ovenden. The World's Vanishing Birds. New York: Arco, 1972.

MLA (9th ed.) Citation

Littlewood, Cyril, and Denys Ovenden. The World's Vanishing Birds. Arco, 1972.