Cita APA (7a ed.)

Carlos, A. M. (1986). The North American fur trade, 1804-1821: A study in the life-cycle of a duopoly. Garland.

Cita Chicago Style (17a ed.)

Carlos, Ann M. The North American Fur Trade, 1804-1821: A Study in the Life-cycle of a Duopoly. New York [etc.]: Garland, 1986.

Cita MLA (9a ed.)

Carlos, Ann M. The North American Fur Trade, 1804-1821: A Study in the Life-cycle of a Duopoly. Garland, 1986.