MLA

Portsmouth Theatre (Portsmouth, England). At the new theatre in Portsmouth, on Wednesday evening, October 7th, will be presented a tragedy, call'd, Macbeth ... : to which will be added a farce, call'd, The contrivances ... tickets to be had at the Fountain ... and at Mr. Stephens's lodgings, at Mr. Lewis's in St. Thomas Street. [1761]. https://collections.library.yale.edu/catalog/33208715.

APA, 6th edition

Portsmouth Theatre (Portsmouth, England). ([1761])[At the new theatre in Portsmouth, on Wednesday evening, October 7th, will be presented a tragedy, call'd, Macbeth ... : to which will be added a farce, call'd, The contrivances ... tickets to be had at the Fountain ... and at Mr. Stephens's lodgings, at Mr. Lewis's in St. Thomas Street]. https://collections.library.yale.edu/catalog/33208715.