Cita APA (7a ed.)

Morris, R. B., Greenleaf, W., & Ferrell, R. H. (1971). America: A history of the people. McNally.

Cita Chicago Style (17a ed.)

Morris, Richard Brandon, William Greenleaf, y Robert H. Ferrell. America: A History of the People. Chicago: McNally, 1971.

Cita MLA (9a ed.)

Morris, Richard Brandon, et al. America: A History of the People. McNally, 1971.