APA (7th ed.) Citation

Post, E. L., & Post, E. (1994). Emily Post on entertaining (Rev. ed.). HarperPerennial.

Chicago Style (17th ed.) Citation

Post, Elizabeth L., and Emily Post. Emily Post on Entertaining. Rev. ed. New York: HarperPerennial, 1994.

MLA (9th ed.) Citation

Post, Elizabeth L., and Emily Post. Emily Post on Entertaining. Rev. ed. HarperPerennial, 1994.