Crutchfield, J. A. (2011). The settlement of America: Encyclopedia of westward expansion from Jamestown to the closing of the frontier. Sharpe.
Chicago-Zitierstil (17. Ausg.)Crutchfield, James A. The Settlement of America: Encyclopedia of Westward Expansion from Jamestown to the Closing of the Frontier. Armonk, NY: Sharpe, 2011.
MLA-Zitierstil (9. Ausg.)Crutchfield, James A. The Settlement of America: Encyclopedia of Westward Expansion from Jamestown to the Closing of the Frontier. Sharpe, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.