APA (7th ed.) Citation

O'Neil, P. H. (2012). Essentials of comparative politics (4th edition.). W. W. Norton and Co.

Chicago Style (17th ed.) Citation

O'Neil, Patrick H. Essentials of Comparative Politics. 4th edition. New York: W. W. Norton and Co, 2012.

MLA (9th ed.) Citation

O'Neil, Patrick H. Essentials of Comparative Politics. 4th edition. W. W. Norton and Co, 2012.