APA (7th ed.) Citation

Adams, J., & Schulz, D. E. (1981). Political participation in Communist systems. Pergamon Press.

Chicago Style (17th ed.) Citation

Adams, Jan, and Donald E. Schulz. Political Participation in Communist Systems. New York: Pergamon Press, 1981.

MLA (9th ed.) Citation

Adams, Jan, and Donald E. Schulz. Political Participation in Communist Systems. Pergamon Press, 1981.