APA (7th ed.) Citation

Posavac, E. J., & Carey, R. G. (1980). Program evaluation: Methods and case studies. Prentice-Hall.

Chicago Style (17th ed.) Citation

Posavac, Emil. J., and Raymond G. Carey. Program Evaluation: Methods and Case Studies. Englewood Cliffs [u.a.]: Prentice-Hall, 1980.

MLA (9th ed.) Citation

Posavac, Emil. J., and Raymond G. Carey. Program Evaluation: Methods and Case Studies. Prentice-Hall, 1980.