Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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