APA (7th ed.) Zitazioa

Corfield, T. (1993). The Wilderness Guardian. Longman Kenya.

Chicago Style (17th ed.) Zitazioa

Corfield, Tim. The Wilderness Guardian. Kenya: Longman Kenya, 1993.

MLA (9th ed.) Zitazioa

Corfield, Tim. The Wilderness Guardian. Longman Kenya, 1993.