Cita APA (7a ed.)

Shaughnessy, J. J., & Zechmeister, E. B. (1985). Research methods in psychology. Knopf.

Cita Chicago Style (17a ed.)

Shaughnessy, John J., y Eugene B. Zechmeister. Research Methods in Psychology. New York: Knopf, 1985.

Cita MLA (8a ed.)

Shaughnessy, John J., y Eugene B. Zechmeister. Research Methods in Psychology. Knopf, 1985.