Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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