APA (7th ed.) Citation

Gay, L. R., Mills, G. E., & Airasian, P. W. (2006). Educational research: Competencies for analysis and applications (8. ed.). Pearson [u.a.].

Chicago Style (17th ed.) Citation

Gay, L. R., Geoffrey E. Mills, and Peter W. Airasian. Educational Research: Competencies for Analysis and Applications. 8. ed. Upper Saddle River, N.J: Pearson [u.a.], 2006.

MLA (9th ed.) Citation

Gay, L. R., et al. Educational Research: Competencies for Analysis and Applications. 8. ed. Pearson [u.a.], 2006.