APA (7th ed.) Citation

Worthen, B. R., & Sanders, J. R. (1973). Educational evaluation: Theory and practice. Wadsworth.

Chicago Style (17th ed.) Citation

Worthen, Blaine R., and James R. Sanders. Educational Evaluation: Theory and Practice. Belmont, California: Wadsworth, 1973.

MLA (9th ed.) Citation

Worthen, Blaine R., and James R. Sanders. Educational Evaluation: Theory and Practice. Wadsworth, 1973.