Politeness

MLA

Brown, Penelope, and Stephen C Levinson. Politeness : Some Universals In Language Usage. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.

APA

Brown, P., & Levinson, S. C. (1987). Politeness : some universals in language usage. Cambridge [Cambridgeshire]: Cambridge University Press.

Chicago

Brown, Penelope., and Stephen C Levinson. Politeness: Some Universals In Language Usage. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.