MLA

Shadwell, Thomas, 1642?-1692. The sullen lovers, or, The impertinents : a comedy, acted at the Theatre Royal by Their Majesties Servants. 1693.. https://collections.library.yale.edu/catalog/2066179.

APA, 6th edition

Shadwell, Thomas, 1642?-1692. (1693.)[The sullen lovers, or, The impertinents : a comedy, acted at the Theatre Royal by Their Majesties Servants]. https://collections.library.yale.edu/catalog/2066179.