Cita APA (7th ed.)
Festinger, L., & Katz, D. (1966). Research methods in the behavioral scieces.
Cita Chicago (17th ed.)
Festinger, León, i Daniel Katz. Research Methods in the Behavioral Scieces. 1966.
Cita MLA (9th ed.)
Festinger, León, i Daniel Katz. Research Methods in the Behavioral Scieces. 1966.
Atenció: Aquestes cites poden no estar 100% correctes.