APA (7th ed.) Citation

Swarthout, J. M., & Bartley, E. R. (1962). Materials on American national government. Oxford University Press.

Chicago Style (17th ed.) Citation

Swarthout, John M., and Ernest R. Bartley. Materials on American National Government. New York: Oxford University Press, 1962.

MLA (9th ed.) Citation

Swarthout, John M., and Ernest R. Bartley. Materials on American National Government. Oxford University Press, 1962.