APA (7th ed.) Citation

Post, E., & Post, E. L. (1965). Etiquette: The blue book of social usage ([11th rev. ed.].). Funk & Wagnalls.

Chicago Style (17th ed.) Citation

Post, Emily, and Elizabeth L. Post. Etiquette: The Blue Book of Social Usage. [11th rev. ed.]. New York: Funk & Wagnalls, 1965.

MLA (9th ed.) Citation

Post, Emily, and Elizabeth L. Post. Etiquette: The Blue Book of Social Usage. [11th rev. ed.]. Funk & Wagnalls, 1965.