The lady's guide to perfect gentility :
in manners, dress, and conversation ... also a useful instructor in letter writing ... /
by Emily Thornwell.
APA Citation
Thornwell, E. (1856). The lady's guide to perfect gentility: in manners, dress, and conversation ... also a useful instructor in letter writing .... New York: Derby & Jackson.
MLA Citation
Thornwell, Emily. The Lady's Guide to Perfect Gentility: In Manners, Dress, And Conversation ... Also a Useful Instructor In Letter Writing .... New York: Derby & Jackson, 1856.
Warning: These citations may not always be complete (especially for serials).