Cita APA

Ritchie, D. A. (1997). American history: The modern era since 1865. New York: Glencoe/McGraw-Hill.

Citación estilo Chicago

Ritchie, Donald A. American History: The Modern Era Since 1865. New York: Glencoe/McGraw-Hill, 1997.

Cita MLA

Ritchie, Donald A. American History: The Modern Era Since 1865. New York: Glencoe/McGraw-Hill, 1997.