MLA

Boyne, John, approximately 1750-1810, printmaker. The only booth in the fair Portland & Co late Shelburne [graphic] / I. Boyne invet. & exc. April 9, 1783.. https://collections.library.yale.edu/catalog/10724742.

APA, 6th edition

Boyne, John, approximately 1750-1810, printmaker. (April 9, 1783.)[The only booth in the fair Portland & Co late Shelburne [graphic] / I. Boyne invet. & exc]. https://collections.library.yale.edu/catalog/10724742.