APA Style

Donatella, D, P., Keating, M. (2008). Approaches and methodologies in the social sciences : a pluralist perspective . Cambridge , New York: Cambridge University Press.

MLA Style

Donatella, Della, Porta,., Keating, Michael. "Approaches and methodologies in the social sciences : a pluralist perspective". Cambridge , New York: Cambridge University Press, 2008. Text.