APA ציטוט

Turner, F. J. (1991). The significance of the frontier in American history. New York: Continuum.

Trích dẫn kiểu Chicago

Turner, Frederick Jackson. The Significance of the Frontier in American History. New York: Continuum, 1991.

ציטוט MLA

Turner, Frederick Jackson. The Significance of the Frontier in American History. New York: Continuum, 1991.