APA (7th ed.) Citation

Donald, E. B. Debrett's Etiquette and Modern Manners.

Chicago Style (17th ed.) Citation

Donald, Elsie Burch. Debrett's Etiquette and Modern Manners.

MLA (8th ed.) Citation

Donald, Elsie Burch. Debrett's Etiquette and Modern Manners.

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