APA (7th ed.) Citation

Cohen, L., & Manion, L. (1980). Research methods in education. Croom Helm Ltd.

Chicago Style (17th ed.) Citation

Cohen, Louis, and Lawrence Manion. Research Methods in Education. London: Croom Helm Ltd, 1980.

MLA (9th ed.) Citation

Cohen, Louis, and Lawrence Manion. Research Methods in Education. Croom Helm Ltd, 1980.