APA (7th ed.) Citation

Post, E. (1965). Etiquette, the blue book of social usage (11th rev. ed.). Funk & Wagnalls.

Chicago Style (17th ed.) Citation

Post, Emily. Etiquette, the Blue Book of Social Usage. 11th rev. ed. New York: Funk & Wagnalls, 1965.

MLA (9th ed.) Citation

Post, Emily. Etiquette, the Blue Book of Social Usage. 11th rev. ed. Funk & Wagnalls, 1965.