APA (7th ed.) Citation

(1990). Birds of the Gambia: An annotated check-list (2. rev. ed.). Zoological Museum.

Chicago Style (17th ed.) Citation

Birds of the Gambia: An Annotated Check-list. 2. rev. ed. Tring: Zoological Museum, 1990.

MLA (9th ed.) Citation

Birds of the Gambia: An Annotated Check-list. 2. rev. ed. Zoological Museum, 1990.