MLA

Theatre Royal (York, England). On Monday evening, August 25, 1800, will be presented a new play, called Pizarro ... : after which a favourite farce, in one act, called, The horse and the widow ... to which will be added, a piece in one act, called Silvester Daggerwood .... [1800]. https://collections.library.yale.edu/catalog/33208055.

APA, 6th edition

Theatre Royal (York, England). ([1800])[On Monday evening, August 25, 1800, will be presented a new play, called Pizarro ... : after which a favourite farce, in one act, called, The horse and the widow ... to which will be added, a piece in one act, called Silvester Daggerwood ...]. https://collections.library.yale.edu/catalog/33208055.