Cita APA (7a ed.)

Creswell, J. W. (2007). Qualitative inquiry and research design: Choosing among five approaches (2nd ed.). Sage.

Cita Chicago Style (17a ed.)

Creswell, John W. Qualitative Inquiry and Research Design: Choosing Among Five Approaches. 2nd ed. Thousand Oaks [etc.]: Sage, 2007.

Cita MLA (9a ed.)

Creswell, John W. Qualitative Inquiry and Research Design: Choosing Among Five Approaches. 2nd ed. Sage, 2007.