Cita APA (7a ed.)

Judd, C. M., Smith, E. R., & Kidder, L. H. (1991). Research methods in social relations (6th ed.). Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Judd, Charles M., Eliot R. Smith, y Louise H. Kidder. Research Methods in Social Relations. 6th ed. Fort Worth, Texas [etc.]: Holt, Rinehart and Winston, 1991.

Cita MLA (9a ed.)

Judd, Charles M., et al. Research Methods in Social Relations. 6th ed. Holt, Rinehart and Winston, 1991.