APA aipamena

Beer, S. H., & Ulam, A. B. (1958). Patterns of government: The major political systems of Europe. Random House.

Chicago Style aipamena

Beer, Samuel Hutchison, and Adams Burno Ulam. Patterns of Government: The Major Political Systems of Europe. New York: Random House, 1958.

MLA aipamena

Beer, Samuel Hutchison, and Adams Burno Ulam. Patterns of Government: The Major Political Systems of Europe. Random House, 1958.