Whittaker, W. E. (2009). Frontier forts of Iowa: Indians, traders, and soldiers, 1682-1862. University of Iowa Press.
Chicago Style (17th ed.) CitationWhittaker, William E. Frontier Forts of Iowa: Indians, Traders, and Soldiers, 1682-1862. Iowa City: University of Iowa Press, 2009.
MLA (8th ed.) CitationWhittaker, William E. Frontier Forts of Iowa: Indians, Traders, and Soldiers, 1682-1862. University of Iowa Press, 2009.
Warning: These citations may not always be 100% accurate.