Post, E., Post, E. L., Post, P., & Richter, J. (1992). Emily Post's etiquette. HarperCollins Publishers.
Cita Chicago Style (17a ed.)Post, Emily, Elizabeth L. Post, Peggy Post, y Janice Richter. Emily Post's Etiquette. New York, N.Y.: HarperCollins Publishers, 1992.
Cita MLA (8a ed.)Post, Emily, et al. Emily Post's Etiquette. HarperCollins Publishers, 1992.
Precaución: Estas citas no son 100% exactas.