APA (7th ed.) Citation

Patton, M. Q. (1986). Qualitative evaluation methods (7. print.). Sage.

Chicago Style (17th ed.) Citation

Patton, Michael Quinn. Qualitative Evaluation Methods. 7. print. Beverly Hills u.a: Sage, 1986.

MLA (9th ed.) Citation

Patton, Michael Quinn. Qualitative Evaluation Methods. 7. print. Sage, 1986.