APA (7th ed.) Citation

Post, E. (1942). Etiquette: The blue book of social usage (Complete new ed.). Funk & Wagnalls.

Chicago Style (17th ed.) Citation

Post, Emily. Etiquette: The Blue Book of Social Usage. Complete new ed. New York, London: Funk & Wagnalls, 1942.

MLA (9th ed.) Citation

Post, Emily. Etiquette: The Blue Book of Social Usage. Complete new ed. Funk & Wagnalls, 1942.