APA (7th ed.) Citation

Post, E. (1959). Etiquette: The blue book of social usage (9. ed., 87. pr.). Funk & Wagnalls.

Chicago Style (17th ed.) Citation

Post, Emily. Etiquette: The Blue Book of Social Usage. 9. ed., 87. pr. New York: Funk & Wagnalls, 1959.

MLA (9th ed.) Citation

Post, Emily. Etiquette: The Blue Book of Social Usage. 9. ed., 87. pr. Funk & Wagnalls, 1959.