Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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