APA Style

Creswell, J, W. (2014). Research design : qualitative, quantitative, and mixed methods approaches (4th ed). United Kingdom: SAGE Publications India Pvt. Ltd.

MLA Style

Creswell, John, W.. "Research design : qualitative, quantitative, and mixed methods approaches". 4th ed United Kingdom: SAGE Publications India Pvt. Ltd, 2014. Electronic Resource.