MLA

Portsmouth Theatre (Portsmouth, England). At the theatre in Portsmouth, this present Monday, being the 14th of August, will be presented the tragicall history of King Lear ... : to which will be added a comedy of two acts, call'd, The author ... tickets to be had at the Fountain ... the Navy Coffee-House near the dock gates. [1758]. https://collections.library.yale.edu/catalog/33208773.

APA, 6th edition

Portsmouth Theatre (Portsmouth, England). ([1758])[At the theatre in Portsmouth, this present Monday, being the 14th of August, will be presented the tragicall history of King Lear ... : to which will be added a comedy of two acts, call'd, The author ... tickets to be had at the Fountain ... the Navy Coffee-House near the dock gates]. https://collections.library.yale.edu/catalog/33208773.