Turner, F. J. (1991). The significance of the frontier in American history. New York: Continuum.
Trích dẫn kiểu ChicagoTurner, Frederick Jackson. The Significance of the Frontier in American History. New York: Continuum, 1991.
MLA引文Turner, Frederick Jackson. The Significance of the Frontier in American History. New York: Continuum, 1991.
警告:這些引文格式不一定是100%准確.