APA (7th ed.) Citation

Prozesky, O. P. M. (1974). A field guide to the birds of Southern Africa (2nd ed.). Collins.

Chicago Style (17th ed.) Citation

Prozesky, O. P. M. A Field Guide to the Birds of Southern Africa. 2nd ed. London: Collins, 1974.

MLA (8th ed.) Citation

Prozesky, O. P. M. A Field Guide to the Birds of Southern Africa. 2nd ed. Collins, 1974.