APA (7th ed.) Citation

Beer, S. H., & Ulam, A. B. (1973). Patterns of government: The major political systems of Europe (3d ed.). Random House.

Chicago Style (17th ed.) Citation

Beer, Samuel H., and Adam B. Ulam. Patterns of Government: The Major Political Systems of Europe. 3d ed. New York: Random House, 1973.

MLA (9th ed.) Citation

Beer, Samuel H., and Adam B. Ulam. Patterns of Government: The Major Political Systems of Europe. 3d ed. Random House, 1973.