MLA

Caryll, John, 1625-1711. The English princess, or, The death of Richard the III : a tragedy : as it is now acted at His Highness the Duke of York’s Theatre .... 1674. https://collections.library.yale.edu/catalog/2057418.

APA, 6th edition

Caryll, John, 1625-1711. (1674)[The English princess, or, The death of Richard the III : a tragedy : as it is now acted at His Highness the Duke of York’s Theatre ...]. https://collections.library.yale.edu/catalog/2057418.