Cita APA

Williams, T. H. 1., & Freidel, F. B. (1964). A history of the United States (2. edition rev.). New York, New York: A. A. Knopf.

Citación estilo Chicago

Williams, Thomas Harry 1909-1979, y Frank Burt Freidel. A History of the United States. 2. edition rev. New York, New York: A. A. Knopf, 1964.

Cita MLA

Williams, Thomas Harry 1909-1979, y Frank Burt Freidel. A History of the United States. 2. edition rev. New York, New York: A. A. Knopf, 1964.