Cita APA (7th ed.)
Festinger, L., & Katz, D. (1954). Research Methods in the behavioral sciences. Staples Press.
Cita Chicago (17th ed.)
Festinger, Leon, i Daniel Katz. Research Methods in the Behavioral Sciences. London: Staples Press, 1954.
Cita MLA (9th ed.)
Festinger, Leon, i Daniel Katz. Research Methods in the Behavioral Sciences. Staples Press, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.