MLA

Theatre Royal (Bath, England). This present Tuesday, April 26, 1808, will be presented the tragedy of Barbarossa ... : to which will be added, a new musical drama, in 2 acts, called The young hussar; or, Love and mercy .... [1808]. https://collections.library.yale.edu/catalog/33208489.

APA, 6th edition

Theatre Royal (Bath, England). ([1808])[This present Tuesday, April 26, 1808, will be presented the tragedy of Barbarossa ... : to which will be added, a new musical drama, in 2 acts, called The young hussar; or, Love and mercy ...]. https://collections.library.yale.edu/catalog/33208489.