APA Style

Christensen, R, B, J, L. (2014). Educational research: Quantitative, qualitative, and mixed approaches (5th ed). London: by SAGE Publications, Inc.

MLA Style

Christensen, R., Burke, Johnson,, Larry. "Educational research: Quantitative, qualitative, and mixed approaches". 5th ed London: by SAGE Publications, Inc, 2014. Electronic Resource.