Cita APA (7a ed.)

Rossi, P. H., & Freeman, H. E. (1982). Evaluation: A systematic approach (2nd ed.). Sage Publications.

Cita Chicago Style (17a ed.)

Rossi, Peter Henry, y Howard E. Freeman. Evaluation: A Systematic Approach. 2nd ed. Beverly Hills [etc.]: Sage Publications, 1982.

Cita MLA (9a ed.)

Rossi, Peter Henry, y Howard E. Freeman. Evaluation: A Systematic Approach. 2nd ed. Sage Publications, 1982.