APA (7th ed.) Citation

PATTON, M. Q. (1982). Qualitative evaluation methods. Sage Pub.

Chicago Style (17th ed.) Citation

PATTON, Michael Quinn. Qualitative Evaluation Methods. London: Sage Pub, 1982.

MLA (9th ed.) Citation

PATTON, Michael Quinn. Qualitative Evaluation Methods. Sage Pub, 1982.