APA (7th ed.) Citation

Osborne, D. G., & Little, R. M. (1999). Birds of the Swartberg and Gamkapoort nature reserves (1. publ.). BirdLife South Africa [u.a.].

Chicago Style (17th ed.) Citation

Osborne, Dave G., and Rob M. Little. Birds of the Swartberg and Gamkapoort Nature Reserves. 1. publ. Johannesburg: BirdLife South Africa [u.a.], 1999.

MLA (9th ed.) Citation

Osborne, Dave G., and Rob M. Little. Birds of the Swartberg and Gamkapoort Nature Reserves. 1. publ. BirdLife South Africa [u.a.], 1999.