Cita APA

Adams, D. K. (1967). America in the twentieth century: A study of the United State since 1917. New York, N.Y.: Cambridge at the University Press.

Citación estilo Chicago

Adams, David Keith. America in the Twentieth Century: A Study of the United State Since 1917. New York, N.Y.: Cambridge at the University Press, 1967.

Cita MLA

Adams, David Keith. America in the Twentieth Century: A Study of the United State Since 1917. New York, N.Y.: Cambridge at the University Press, 1967.