APA (7th ed.) Zitazioa

Wobeser, G. A. Diseases of wild waterfowl. Dianum.

Chicago Style (17th ed.) Zitazioa

Wobeser, Gary A. Diseases of Wild Waterfowl. New York: Dianum.

MLA (9th ed.) Zitazioa

Wobeser, Gary A. Diseases of Wild Waterfowl. Dianum.