APA
Royse D., Thyer B. A., Padgett D. K. & Logan T. (2006). Program evaluation. Belmont, CA: Thomson Brooks/Cole.
Chicago
Royse David, Thyer Bruce A, Padgett Deborah K and Logan T.K. 2006. Program evaluation. Belmont, CA: Thomson Brooks/Cole.
Harvard
Royse D., Thyer B. A., Padgett D. K. and Logan T. (2006). Program evaluation. Belmont, CA: Thomson Brooks/Cole.
MLA
Royse David, Thyer Bruce A, Padgett Deborah K and Logan T.K. Program evaluation. Belmont, CA: Thomson Brooks/Cole. 2006.