Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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