APA (7th ed.) Citation

Merriam, R. E., & Bethea, J. W. (1952). Understanding politics. Science Research Associates.

Chicago Style (17th ed.) Citation

Merriam, Robert E., and John William Bethea. Understanding Politics. Chicago: Science Research Associates, 1952.

MLA (9th ed.) Citation

Merriam, Robert E., and John William Bethea. Understanding Politics. Science Research Associates, 1952.