APA (7th ed.) Citation

Post, P. (1999). Emily Post's weddings (3rd ed.). Harper Perennial.

Chicago Style (17th ed.) Citation

Post, Peggy. Emily Post's Weddings. 3rd ed. New York: Harper Perennial, 1999.

MLA (9th ed.) Citation

Post, Peggy. Emily Post's Weddings. 3rd ed. Harper Perennial, 1999.