APA

Jones L. F., Olson E. C., . (1996). Political science research: a handbook of scope and methods. New York: HarperCollins College Publishers.

Chicago

Jones Laurence F, Olson Edward C, . 1996. Political science research: a handbook of scope and methods. New York: HarperCollins College Publishers.

Harvard

Jones L. F., Olson E. C., . (1996). Political science research: a handbook of scope and methods. New York: HarperCollins College Publishers.

MLA

Jones Laurence F, Olson Edward C, . Political science research: a handbook of scope and methods. New York: HarperCollins College Publishers. 1996.