APA (7th ed.) Citation

Williams, J. G. (1964). A field guide to the birds of East and Central Africa (1st American ed.). Houghton, Mifflin.

Chicago Style (17th ed.) Citation

Williams, John G. A Field Guide to the Birds of East and Central Africa. 1st American ed. Boston: Houghton, Mifflin, 1964.

MLA (9th ed.) Citation

Williams, John G. A Field Guide to the Birds of East and Central Africa. 1st American ed. Houghton, Mifflin, 1964.