APA (7th ed.) Citation

(1973). Quasi-experimental approaches: Testing theory and evaluating policy. Northwestern Univ. Pr.

Chicago Style (17th ed.) Citation

Quasi-experimental Approaches: Testing Theory and Evaluating Policy. Evanston: Northwestern Univ. Pr, 1973.

MLA (9th ed.) Citation

Quasi-experimental Approaches: Testing Theory and Evaluating Policy. Northwestern Univ. Pr, 1973.

Warning: These citations may not always be 100% accurate.