APA (7th ed.) Zitazioa

Gould, L. M. (1958). The Polar regions in their relation to human affairs. The American Geographical Society.

Chicago Style (17th ed.) Zitazioa

Gould, Laurence M. The Polar Regions in Their Relation to Human Affairs. New York: The American Geographical Society, 1958.

MLA (9th ed.) Zitazioa

Gould, Laurence M. The Polar Regions in Their Relation to Human Affairs. The American Geographical Society, 1958.