APA (7th ed.) Citation

Cohen, L., Manion, L., & Morrison, K. (2011). Research methods in education (7th ed.). Routledge.

Chicago Style (17th ed.) Citation

Cohen, Louis, Lawrence Manion, and Keith Morrison. Research Methods in Education. 7th ed. London: Routledge, 2011.

MLA (9th ed.) Citation

Cohen, Louis, et al. Research Methods in Education. 7th ed. Routledge, 2011.