MLA

Theatre Royal (Exeter, England). On Wednesday, January 25th, 1786, will be presented a tragedy, called, Venice preserv'd; or, A plot discover'd ... : to which will be added (for the last time) a farce, called, Appearance is against them .... [1786]. https://collections.library.yale.edu/catalog/17333947.

APA, 6th edition

Theatre Royal (Exeter, England). ([1786])[On Wednesday, January 25th, 1786, will be presented a tragedy, called, Venice preserv'd; or, A plot discover'd ... : to which will be added (for the last time) a farce, called, Appearance is against them ...]. https://collections.library.yale.edu/catalog/17333947.