APA (7th ed.) Citation

Urban, E. K. (1993). The birds of Africa (2. print.). Academic Press.

Chicago Style (17th ed.) Citation

Urban, Emil K. The Birds of Africa. 2. print. San Diego [u.a.]: Academic Press, 1993.

MLA (9th ed.) Citation

Urban, Emil K. The Birds of Africa. 2. print. Academic Press, 1993.