MLA

Portsmouth Theatre (Portsmouth, England). At the theatre in Portsmouth, this present Wednesday, being the 25th of July, will be presented a tragedy, call'd, The fair penitent ... : to which will be added a pastoral farce, call'd Damon and Phillida ... tickets to be had at the Fountain ... and Two Blue Posts, on the point. [1759]. https://collections.library.yale.edu/catalog/33208671.

APA, 6th edition

Portsmouth Theatre (Portsmouth, England). ([1759])[At the theatre in Portsmouth, this present Wednesday, being the 25th of July, will be presented a tragedy, call'd, The fair penitent ... : to which will be added a pastoral farce, call'd Damon and Phillida ... tickets to be had at the Fountain ... and Two Blue Posts, on the point]. https://collections.library.yale.edu/catalog/33208671.