Cita APA (7a ed.)

Adams, J. T. (1931). The epic of America. Blue Ribbon Books.

Cita Chicago Style (17a ed.)

Adams, James Truslow. The Epic of America. New York: Blue Ribbon Books, 1931.

Cita MLA (9a ed.)

Adams, James Truslow. The Epic of America. Blue Ribbon Books, 1931.