APA (7th ed.) Citation

Creswell, J. W. (1994). Research design: Qualitative & quantitative approaches. Sage.

Chicago Style (17th ed.) Citation

Creswell, John W. Research Design: Qualitative & Quantitative Approaches. Thousand Oaks, Calif. [etc.]: Sage, 1994.

MLA (9th ed.) Citation

Creswell, John W. Research Design: Qualitative & Quantitative Approaches. Sage, 1994.