MLA

Beaumont, Francis, 1584-1616. A king, and no king / acted at the Blacke-Fryars, by His Maiesties seruants ; and now the third time printed, according to the true copie ; written by Francis Beamont & Iohn Fletcher, gent. .... 1631. https://collections.library.yale.edu/catalog/10267716.

APA, 6th edition

Beaumont, Francis, 1584-1616. (1631)[A king, and no king / acted at the Blacke-Fryars, by His Maiesties seruants ; and now the third time printed, according to the true copie ; written by Francis Beamont & Iohn Fletcher, gent. ...]. https://collections.library.yale.edu/catalog/10267716.