APA (7th ed.) Citation

Coulson, M. A., & Riddell, D. S. (1970). Approaching sociology: A critical introduction. Routledge & Paul.

Chicago Style (17th ed.) Citation

Coulson, Margaret A., and David S. Riddell. Approaching Sociology: A Critical Introduction. London: Routledge & Paul, 1970.

MLA (9th ed.) Citation

Coulson, Margaret A., and David S. Riddell. Approaching Sociology: A Critical Introduction. Routledge & Paul, 1970.