Cita APA

Steen, R. W. (1959). The United State: A history. Prentice Hall.

Citación estilo Chicago

Steen, Ralph W. The United State: A History. Englewood Liffs: Prentice Hall, 1959.

Cita MLA

Steen, Ralph W. The United State: A History. Prentice Hall, 1959.

Warning: These citations may not always be 100% accurate.