Cita APA

Grob, G. N. 1., & Billias, G. A. 1. (1967). Interpretations of American history: Patterns and perspectives. New York: The Free Press.

Citación estilo Chicago

Grob, Gerald N. 1931-2015, y George Athan 1919-2018 Billias. Interpretations of American History: Patterns and Perspectives. New York: The Free Press, 1967.

Cita MLA

Grob, Gerald N. 1931-2015, y George Athan 1919-2018 Billias. Interpretations of American History: Patterns and Perspectives. New York: The Free Press, 1967.