Cita APA (7a ed.)

Patton, M. Q. (1987). How to use qualitative methods in evaluation. Sage.

Cita Chicago Style (17a ed.)

Patton, Michael Quinn. How to Use Qualitative Methods in Evaluation. Newbury Park [etc.]: Sage, 1987.

Cita MLA (9a ed.)

Patton, Michael Quinn. How to Use Qualitative Methods in Evaluation. Sage, 1987.