MLA

Shadwell, Thomas, 1642?-1692. The humorists : a comedy / acted by His Royal Highnesses Servants ; written by Tho. Shadwell .... 1691. https://collections.library.yale.edu/catalog/2066180.

APA, 6th edition

Shadwell, Thomas, 1642?-1692. (1691)[The humorists : a comedy / acted by His Royal Highnesses Servants ; written by Tho. Shadwell ...]. https://collections.library.yale.edu/catalog/2066180.