APA (7th ed.) Citation

Brown, P., & Levinson, S. C. Politeness: Some universals in language usage.

Chicago Style (17th ed.) Citation

Brown, Penelope, and Stephen C. Levinson. Politeness: Some Universals in Language Usage.

MLA (9th ed.) Citation

Brown, Penelope, and Stephen C. Levinson. Politeness: Some Universals in Language Usage.

Warning: These citations may not always be 100% accurate.