Cita APA

Boyd, M., & Worcester, D. E. (1969). American civilization: An introduction to the social sciences Allyn And Bacon.

Citación estilo Chicago

Boyd, Maurice, and Donald E. Worcester. American Civilization: An Introduction to the Social Sciences. 2a. ed. Boston: Allyn And Bacon, 1969.

Cita MLA

Boyd, Maurice, and Donald E. Worcester. American Civilization: An Introduction to the Social Sciences. 2a. ed. Boston: Allyn And Bacon, 1969.