Cita APA

Ritchie, D. A. (1997). American history: The early years to 1877. New York: Glencoe/McGraw-Hill.

Citación estilo Chicago

Ritchie, Donald A. American History: The Early Years to 1877. New York: Glencoe/McGraw-Hill, 1997.

Cita MLA

Ritchie, Donald A. American History: The Early Years to 1877. New York: Glencoe/McGraw-Hill, 1997.