Cita APA (7th ed.)

Collins, H. B. (1954). Arctic Area: Indigenous period. Inst. Panamericano de Geografía e Historia.

Cita Chicago (17th ed.)

Collins, Henry B. Arctic Area: Indigenous Period. México: Inst. Panamericano de Geografía e Historia, 1954.

Cita MLA (9th ed.)

Collins, Henry B. Arctic Area: Indigenous Period. Inst. Panamericano de Geografía e Historia, 1954.