MLA

Theatre Royal (York, England). On Tuesday evening, July 21, 1801, their Majesties' servants will perform the favourite comedy, called The heir at law ... : after which, the favourite farce, called The children in the wood .... [1801]. https://collections.library.yale.edu/catalog/33208161.

APA, 6th edition

Theatre Royal (York, England). ([1801])[On Tuesday evening, July 21, 1801, their Majesties' servants will perform the favourite comedy, called The heir at law ... : after which, the favourite farce, called The children in the wood ...]. https://collections.library.yale.edu/catalog/33208161.