APA (7th ed.) Citation

Carlos, A. M., & Lewis, F. D. (2010). Commerce by a Frozen Sea: Native Americans and the European Fur Trade. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Carlos, Ann M., and Frank D. Lewis. Commerce by a Frozen Sea: Native Americans and the European Fur Trade. Philadelphia: University of Pennsylvania Press, 2010.

MLA (8th ed.) Citation

Carlos, Ann M., and Frank D. Lewis. Commerce by a Frozen Sea: Native Americans and the European Fur Trade. University of Pennsylvania Press, 2010.