Cita APA (7th ed.)

Struening, E. L., & Guttentag, M. (1975). Handbook of evaluation research. Sage Publications.

Cita Chicago (17th ed.)

Struening, Elmer L., i Marcia Guttentag. Handbook of Evaluation Research. Beverly Hills, Calif.: Sage Publications, 1975.

Cita MLA (8th ed.)

Struening, Elmer L., i Marcia Guttentag. Handbook of Evaluation Research. Sage Publications, 1975.