Cita APA (7a ed.)

Rossi, P. H., & Freeman , H. . E. (1985). Evaluation: A systematic approach (3rd ed.). Sage.

Cita Chicago Style (17a ed.)

Rossi, Peter H., y Howard E. Freeman. Evaluation: A Systematic Approach. 3rd ed. London; New Delhi: Sage, 1985.

Cita MLA (9a ed.)

Rossi, Peter H., y Howard E. Freeman. Evaluation: A Systematic Approach. 3rd ed. Sage, 1985.