APA (7th ed.) Citation

Johnson, R. B., & Christensen, L. B. (2011). Educational research: Quantitative, qualitative, and mixed approaches (4th ed.). SAGE.

Chicago Style (17th ed.) Citation

Johnson, R. Burke, and Larry B. Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 4th ed. Los Angeles, Calif. [u.a.]: SAGE, 2011.

MLA (9th ed.) Citation

Johnson, R. Burke, and Larry B. Christensen. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 4th ed. SAGE, 2011.