Cita APA

Bradley, H. W. (1973). The United States from 1865. New York: Charles Scribner's Sons.

Citación estilo Chicago

Bradley, Harold Whitman. The United States From 1865. New York: Charles Scribner's Sons, 1973.

Cita MLA

Bradley, Harold Whitman. The United States From 1865. New York: Charles Scribner's Sons, 1973.