APA (7th ed.) Citation

Post, E. L. (1990). Emily Post on business etiquette. Perennial Library/Harper & Row.

Chicago Style (17th ed.) Citation

Post, Elizabeth L. Emily Post on Business Etiquette. New York: Perennial Library/Harper & Row, 1990.

MLA (9th ed.) Citation

Post, Elizabeth L. Emily Post on Business Etiquette. Perennial Library/Harper & Row, 1990.