APA (7th ed.) Citation

Patton, M. Q. (1990). Qualitative evaluation and research methods / Michael Quinn Patton (2nd ed.). Sage.

Chicago Style (17th ed.) Citation

Patton, Michael Quinn. Qualitative Evaluation and Research Methods / Michael Quinn Patton. 2nd ed. Newbury Park, CA ; London: Sage, 1990.

MLA (9th ed.) Citation

Patton, Michael Quinn. Qualitative Evaluation and Research Methods / Michael Quinn Patton. 2nd ed. Sage, 1990.

Warning: These citations may not always be 100% accurate.