Sabine & Thorson. (1989). A history of political theory: Fourth edition. Dryden Press.
Chicago Style (17th ed.) CitationSabine and Thorson. A History of Political Theory: Fourth Edition. Hinsdale, Illinois: Dryden Press, 1989.
MLA (9th ed.) CitationSabine and Thorson. A History of Political Theory: Fourth Edition. Dryden Press, 1989.
Warning: These citations may not always be 100% accurate.