APA (7th ed.) Citation

Patton, M. Q. (2015). Qualitative research & evaluation methods: Integrating theory and practice (Fourth edition.). SAGE Publications, Inc..

Chicago Style (17th ed.) Citation

Patton, Michael Quinn. Qualitative Research & Evaluation Methods: Integrating Theory and Practice. Fourth edition. Thousand Oaks, California: SAGE Publications, Inc., 2015.

MLA (8th ed.) Citation

Patton, Michael Quinn. Qualitative Research & Evaluation Methods: Integrating Theory and Practice. Fourth edition. SAGE Publications, Inc., 2015.