Cita APA (7th ed.)
Barnard, E. S. (1977). Story of the great American West. Reader's Digest Association.
Cita Chicago (17th ed.)
Barnard, Edward S. Story of the Great American West. Pleasantville, N.Y.: Reader's Digest Association, 1977.
Cita MLA (9th ed.)
Barnard, Edward S. Story of the Great American West. Reader's Digest Association, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.