APA

Johnson J. B., Joslyn R., . (1995). Political science research methods. Washington, D.C: CQ Press.

Chicago

Johnson Janet Buttolph, Joslyn Richard, . 1995. Political science research methods. Washington, D.C: CQ Press.

Harvard

Johnson J. B., Joslyn R., . (1995). Political science research methods. Washington, D.C: CQ Press.

MLA

Johnson Janet Buttolph, Joslyn Richard, . Political science research methods. Washington, D.C: CQ Press. 1995.