Παραπομπή σε μορφή APA (7η εκδ.)

Witherby, H. F. (1902). Bird hunting on the White Nile: A naturalist's experiences in the Soudan. Office of "Knowledge".

Παραπομπή σε μορφή Chicago (17η εκδ.)

Witherby, H. F. Bird Hunting on the White Nile: A Naturalist's Experiences in the Soudan. London: Office of "Knowledge", 1902.

Παραπομπή σε μορφή MLA (8th εκδ.)

Witherby, H. F. Bird Hunting on the White Nile: A Naturalist's Experiences in the Soudan. Office of "Knowledge", 1902.