Cita APA (7a ed.)

Creswell, J. W., & Creswell, J. D. (2018). Research design: Qualitative,quantitative & mixed methods approaches. SAGE Publication.

Cita Chicago Style (17a ed.)

Creswell, John W., y J. David Creswell. Research Design: Qualitative,quantitative & Mixed Methods Approaches. California: SAGE Publication, 2018.

Cita MLA (9a ed.)

Creswell, John W., y J. David Creswell. Research Design: Qualitative,quantitative & Mixed Methods Approaches. SAGE Publication, 2018.