Cita APA

Shaughnessy, J. J. 1., Zechmeister, E. B., & Zechmeister, J. S. (2012). Research methods in psychology (9th ed.). New York: McGraw-Hill.

Citación estilo Chicago

Shaughnessy, John J. 1947-, Eugene B. Zechmeister, y Jeanne S. Zechmeister. Research Methods in Psychology. 9th ed. New York: McGraw-Hill, 2012.

Cita MLA

Shaughnessy, John J. 1947-, Eugene B. Zechmeister, y Jeanne S. Zechmeister. Research Methods in Psychology. 9th ed. New York: McGraw-Hill, 2012.