APA (7th ed.) Citation

Gray, V., & Jacob, H. (1996). Politics in the American states: A comparative analysis (6th ed.). CQ Press.

Chicago Style (17th ed.) Citation

Gray, Virginia, and Herbert Jacob. Politics in the American States: A Comparative Analysis. 6th ed. Washington, D.C: CQ Press, 1996.

MLA (9th ed.) Citation

Gray, Virginia, and Herbert Jacob. Politics in the American States: A Comparative Analysis. 6th ed. CQ Press, 1996.