MLA

Theatre Royal (York, England). On Saturday evening, May 22, 1802, their Majesties servants will perform the favourite comedy, called Secrets worth knowing ... : to which will be added (never acted here) in two acts, the much-admir'd interesting dramatic spectacle, of song, dialogue, and action, called Paul and Virginia .... [1802]. https://collections.library.yale.edu/catalog/33208175.

APA, 6th edition

Theatre Royal (York, England). ([1802])[On Saturday evening, May 22, 1802, their Majesties servants will perform the favourite comedy, called Secrets worth knowing ... : to which will be added (never acted here) in two acts, the much-admir'd interesting dramatic spectacle, of song, dialogue, and action, called Paul and Virginia ...]. https://collections.library.yale.edu/catalog/33208175.