APA (7th ed.) Citation

Walberg, H. J., & Haertel, G. D. (1990). The International encyclopedia of educational evaluation. Pergamon Press.

Chicago Style (17th ed.) Citation

Walberg, Herbert J., and Geneva D. Haertel. The International Encyclopedia of Educational Evaluation. Oxford, England ; New York: Pergamon Press, 1990.

MLA (9th ed.) Citation

Walberg, Herbert J., and Geneva D. Haertel. The International Encyclopedia of Educational Evaluation. Pergamon Press, 1990.