MLA

Pitt, William, 1759-1806. Wonderfull Exhibition! Positively the last season of his performing. Signor Gulielmo Pittachio ... makes known ... that ... he ... will continue to display a variety of ... Delusions ... at his Grand Theatre in Westminster, etc. 1795.. https://collections.library.yale.edu/catalog/33202625.

APA, 6th edition

Pitt, William, 1759-1806. (1795.)[Wonderfull Exhibition! Positively the last season of his performing. Signor Gulielmo Pittachio ... makes known ... that ... he ... will continue to display a variety of ... Delusions ... at his Grand Theatre in Westminster, etc]. https://collections.library.yale.edu/catalog/33202625.