Gould, L. M. (1958). The Polar regions in their relation to human affairs. The American Geographical Society.
Chicago-Zitierstil (17. Ausg.)Gould, Laurence M. The Polar Regions in Their Relation to Human Affairs. New York: The American Geographical Society, 1958.
MLA-Zitierstil (9. Ausg.)Gould, Laurence M. The Polar Regions in Their Relation to Human Affairs. The American Geographical Society, 1958.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.