Citazione APA

Johnson,, J. B., Reynolds,, H., & Mycoff,, J. D. (2008). Political science research methods (6.). CQ Press.

Stile di citazione Chicago

Johnson,, Janet Buttolph, H.T Reynolds,, e Jason D. Mycoff. Political Science Research Methods. 6. Washington,DC: CQ Press, 2008.

Citazione MLA

Johnson,, Janet Buttolph, et al. Political Science Research Methods. 6. CQ Press, 2008.