MLA

Theatre Royal (York, England). On Tuesday evening, May 19, 1789, will be presented the last new comic opera, call'd The highland reel. Written by Mr. O'Keefe ... : to which will be added a comedy, in three acts, call'd The midnight hour. Written by Mrs. Inchbald ... tickets to be had of Mr. Swalwell at the Theatre. [1789]. https://collections.library.yale.edu/catalog/33207995.

APA, 6th edition

Theatre Royal (York, England). ([1789])[On Tuesday evening, May 19, 1789, will be presented the last new comic opera, call'd The highland reel. Written by Mr. O'Keefe ... : to which will be added a comedy, in three acts, call'd The midnight hour. Written by Mrs. Inchbald ... tickets to be had of Mr. Swalwell at the Theatre]. https://collections.library.yale.edu/catalog/33207995.