APA (7th ed.) Citation

Boyd, M., & Worcester, D. E. (1968). American civilization: An introduction to the social sciences (2nd ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Boyd, Maurice, and Donald Emmet Worcester. American Civilization: An Introduction to the Social Sciences. 2nd ed. Boston: Allyn and Bacon, 1968.

MLA (9th ed.) Citation

Boyd, Maurice, and Donald Emmet Worcester. American Civilization: An Introduction to the Social Sciences. 2nd ed. Allyn and Bacon, 1968.