APA (7th ed.) Citation

Datta, L., & Perloff, R. O. (1979). Improving evaluations. Sage Publications.

Chicago Style (17th ed.) Citation

Datta, Lois-ellin, and Robert O. Perloff. Improving Evaluations. Beverly Hills, Calif.: Sage Publications, 1979.

MLA (8th ed.) Citation

Datta, Lois-ellin, and Robert O. Perloff. Improving Evaluations. Sage Publications, 1979.