APA

Johnson J. B., Joslyn R., . (1986). Political science research methods. Washington, D.C: CQ Press.

Chicago

Johnson Janet Buttolph, Joslyn Richard, . 1986. Political science research methods. Washington, D.C: CQ Press.

Harvard

Johnson J. B., Joslyn R., . (1986). Political science research methods. Washington, D.C: CQ Press.

MLA

Johnson Janet Buttolph, Joslyn Richard, . Political science research methods. Washington, D.C: CQ Press. 1986.