APA (7th ed.) Citation

Barry, N. P. (2000). An introduction to modern political theory (4th ed., rev. and updated.). Macmillan Press.

Chicago Style (17th ed.) Citation

Barry, Norman P. An Introduction to Modern Political Theory. 4th ed., rev. and updated. Basingstoke, Hants., Eng: Macmillan Press, 2000.

MLA (9th ed.) Citation

Barry, Norman P. An Introduction to Modern Political Theory. 4th ed., rev. and updated. Macmillan Press, 2000.