APA (7th ed.) Citation

Judd, C. M., Kidder, L. H., & Smith, E. R. Research methods in social relations (Sixth Edition.).

Chicago Style (17th ed.) Citation

Judd, Charles M., Louise H. Kidder, and Eliot R. Smith. Research Methods in Social Relations. Sixth Edition.

MLA (8th ed.) Citation

Judd, Charles M., et al. Research Methods in Social Relations. Sixth Edition.