Cite

This present Wednesday, being the 21st of April, 1773, will be perform'd the tragedy of Hamlet, Prince of Denmark ... : to which will be added a farce, called Cross purposes ...

MLA

This Present Wednesday, Being the 21st of April, 1773, Will Be Perform'd the Tragedy of Hamlet, Prince of Denmark ... : to Which Will Be Added a Farce, Called Cross Purposes ... Theatre-royal, 0AD. https://collections.library.yale.edu/catalog/33230515.

APA, 6th edition

This present Wednesday, being the 21st of April, 1773, will be perform'd the tragedy of Hamlet, Prince of Denmark ... : to which will be added a farce, called Cross purposes ... (0 C.E.). [Playbills, Broadsides, Annotations (Provenance) 18th century, Brit tracts]. Theatre-royal. https://collections.library.yale.edu/catalog/33230515.