APA Edition Citation

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

Chicago Edition Citation

Cohen, Lewis et al, Lawrence Manion, and Keith Morrison. Research Methods in Education. London: Routledge, 2007.

MLA Edition Citation

Cohen, Lewis et al, et al. Research Methods in Education. Routledge, 2007.