Cita APA (7a ed.)

Berk, R. A., & Rossi, P. H. (1990). Thinking about program evaluation. Sage.

Cita Chicago Style (17a ed.)

Berk, Richard A., y Peter H. Rossi. Thinking About Program Evaluation. Newbury Park [etc.]: Sage, 1990.

Cita MLA (9a ed.)

Berk, Richard A., y Peter H. Rossi. Thinking About Program Evaluation. Sage, 1990.