On Monday evening Aug. 8th, 1785, will be presented a favourite comic opera, called The duenna; or, Double elopement ... : to which will be added a farce, called The agreeable surprize ...
MLA
On Monday Evening Aug. 8th, 1785, Will Be Presented a Favourite Comic Opera, Called The Duenna; or, Double Elopement ... : to Which Will Be Added a Farce, Called The Agreeable Surprize ... Printed by S. Margrie, opposite the corn-market, 0AD. https://collections.library.yale.edu/catalog/17333944.
APA, 6th edition
On Monday evening Aug. 8th, 1785, will be presented a favourite comic opera, called The duenna; or, Double elopement ... : to which will be added a farce, called The agreeable surprize ... (0 C.E.). [Playbills, Broadsides, Annotations (Provenance) 18th century, Brit tracts]. Printed by S. Margrie, opposite the corn-market. https://collections.library.yale.edu/catalog/17333944.