Cita APA

Divine, R. A., Breen, T., Fredrickson, G. M., & Williams, R. H. (1984). America past and present. New York US: Scott, Foresman and Company.

Citación estilo Chicago

Divine, Robert A., T.H Breen, George M. Fredrickson, y R. Hal Williams. America Past and Present. New York US: Scott, Foresman and Company, 1984.

Cita MLA

Divine, Robert A., T.H Breen, George M. Fredrickson, y R. Hal Williams. America Past and Present. New York US: Scott, Foresman and Company, 1984.