Cita APA (7a ed.)

Boyd, M., Worcester, D. E., & Carman, H. J. (1969). American Civilization: An Introduction to the Social Sciences (2nd ed.). Allyn and Bacon.

Cita Chicago Style (17a ed.)

Boyd, Maurice, Donald E. Worcester, y Harry J. Carman. American Civilization: An Introduction to the Social Sciences. 2nd ed. Boston: Allyn and Bacon, 1969.

Cita MLA (9a ed.)

Boyd, Maurice, et al. American Civilization: An Introduction to the Social Sciences. 2nd ed. Allyn and Bacon, 1969.