On Thursday evening, May 21, 1801, their Majesties servants will perform a favourite comedy, called The heir at law ... : to which will be added, (by particular desire) a musical entertainment, called Rosina ...
MLA
Theatre Royal (York, England). On Thursday evening, May 21, 1801, their Majesties servants will perform a favourite comedy, called The heir at law ... : to which will be added, (by particular desire) a musical entertainment, called Rosina .... [1801]. https://collections.library.yale.edu/catalog/33207985.
APA, 6th edition
Theatre Royal (York, England). ([1801])[On Thursday evening, May 21, 1801, their Majesties servants will perform a favourite comedy, called The heir at law ... : to which will be added, (by particular desire) a musical entertainment, called Rosina ...]. https://collections.library.yale.edu/catalog/33207985.