APA-referens (7:e uppl.)

Zeeland, P. v., & Duker, A. G. (1943). Post-War Migrations. Proposals for an International Agency.

Chicago-referens (17:e uppl.)

Zeeland, Paul van, och Abraham G. Duker. Post-War Migrations. Proposals for an International Agency. New York, 1943.

MLA-referens (8:e uppl.)

Zeeland, Paul van, och Abraham G. Duker. Post-War Migrations. Proposals for an International Agency. 1943.