Cita APA (7a ed.)

Robertson, R. G. (2012). Competitive struggle: America's western fur trading posts, 1764-1865 (2nd ed.). Caxton Press.

Cita Chicago Style (17a ed.)

Robertson, R. G. Competitive Struggle: America's Western Fur Trading Posts, 1764-1865. 2nd ed. Caldwell, Idaho: Caxton Press, 2012.

Cita MLA (8a ed.)

Robertson, R. G. Competitive Struggle: America's Western Fur Trading Posts, 1764-1865. 2nd ed. Caxton Press, 2012.

Precaución: Estas citas no son 100% exactas.