Cita APA (7th ed.)
Ritchie, D. A., & Broussard, A. S. (1997). American history: The early years to 1877. Glencoe, McGraw-Hill.
Cita Chicago (17th ed.)
Ritchie, Donald A., i Albert S. Broussard. American History: The Early Years to 1877. New York: Glencoe, McGraw-Hill, 1997.
Cita MLA (9th ed.)
Ritchie, Donald A., i Albert S. Broussard. American History: The Early Years to 1877. Glencoe, McGraw-Hill, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.