MLA

Theatre Royal (York, England). On Thursday evening, August 27, 1801, their Majesties servatns will perform the last new comedy, (never acted here) called The poor gentleman ... : after which will be presented a dramatic romance, (in two acts) called Blue Beard; or, Female curiosity .... [1801]. https://collections.library.yale.edu/catalog/33207988.

APA, 6th edition

Theatre Royal (York, England). ([1801])[On Thursday evening, August 27, 1801, their Majesties servatns will perform the last new comedy, (never acted here) called The poor gentleman ... : after which will be presented a dramatic romance, (in two acts) called Blue Beard; or, Female curiosity ...]. https://collections.library.yale.edu/catalog/33207988.