Cita APA (7a ed.)

Riegel, R. E., & Haugh, H. (1953). United States of America: A history. Scribner.

Cita Chicago Style (17a ed.)

Riegel, Robert Edgar, y Helen Haugh. United States of America: A History. New York: Scribner, 1953.

Cita MLA (8a ed.)

Riegel, Robert Edgar, y Helen Haugh. United States of America: A History. Scribner, 1953.