Citazione Stile APA (7a Edizione)

Van Someren, V. G. L. (1930). New races of birds from Eastern Africa. Zenodo.

Citazione stile Chigago Style (17a edizione)

Van Someren, Victor Gurner Logan. New Races of Birds from Eastern Africa. Zenodo, 1930.

Citatione MLA (9a ed.)

Van Someren, Victor Gurner Logan. New Races of Birds from Eastern Africa. Zenodo, 1930.