MLA

Theatre Royal (York, England). On Friday Evening, March 22, 1805, their Majesties Servants will perform the Tragedy of Earl of Essex; Or, The Unhappy Favourite ... After which, Mrs. Inchbald's Farce of The Shawl; Or, Appearance Is Against Them .... [1805]. https://collections.library.yale.edu/catalog/33208261.

APA, 6th edition

Theatre Royal (York, England). ([1805])[On Friday Evening, March 22, 1805, their Majesties Servants will perform the Tragedy of Earl of Essex; Or, The Unhappy Favourite ... After which, Mrs. Inchbald's Farce of The Shawl; Or, Appearance Is Against Them ...]. https://collections.library.yale.edu/catalog/33208261.