MLA

Delahoy, James, approximately 1757-approximately 1835], author, printer. The little hoop, an epistle : from a lass in the country, to her aunt in London, occasioned by her sending a fashionable hoop, for the use of the author's mother. [not after 1785?]. https://collections.library.yale.edu/catalog/17124805.

APA, 6th edition

Delahoy, James, approximately 1757-approximately 1835], author, printer. ([not after 1785?])[The little hoop, an epistle : from a lass in the country, to her aunt in London, occasioned by her sending a fashionable hoop, for the use of the author's mother]. https://collections.library.yale.edu/catalog/17124805.