APA (7th ed.) Citation

Barry, N. P. (1995). An Introduction to modern political theory (3rd ed.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Barry, Norman P. An Introduction to Modern Political Theory. 3rd ed. New York: St. Martin's Press, 1995.

MLA (9th ed.) Citation

Barry, Norman P. An Introduction to Modern Political Theory. 3rd ed. St. Martin's Press, 1995.