Cita APA

Turner, F. J. 1., & Billington, R. A. 1. (1962). The frontier in american history. Huntington, New York: Robert E. Krieger Publishing Company.

Citación estilo Chicago

Turner, Frederick Jackson 1861-1932, y Ray Allen 1903-1981 Billington. The Frontier in American History. Huntington, New York: Robert E. Krieger Publishing Company, 1962.

Cita MLA

Turner, Frederick Jackson 1861-1932, y Ray Allen 1903-1981 Billington. The Frontier in American History. Huntington, New York: Robert E. Krieger Publishing Company, 1962.