APA (7th ed.) Citation

Cohen, L., Manion, L., & Morrison, K. (2007). Research methods in education (Sixth edition.). Routledge.

Chicago Style (17th ed.) Citation

Cohen, Louis, Lawrence Manion, and Keith Morrison. Research Methods in Education. Sixth edition. London, New York: Routledge, 2007.

MLA (9th ed.) Citation

Cohen, Louis, et al. Research Methods in Education. Sixth edition. Routledge, 2007.