APA (7th ed.) Citation

Donald, E. B. (1992). Debrett's etiquette & modern manners (Rev. ed.). Headline.

Chicago Style (17th ed.) Citation

Donald, Elsie Burch. Debrett's Etiquette & Modern Manners. Rev. ed. London: Headline, 1992.

MLA (9th ed.) Citation

Donald, Elsie Burch. Debrett's Etiquette & Modern Manners. Rev. ed. Headline, 1992.