MLA

Boyce, William, 1711-1779. Orpheus and Euridice [graphic]. publish'd according to act of Parliament, July 9, 1743.. https://collections.library.yale.edu/catalog/10700439.

APA, 6th edition

Boyce, William, 1711-1779. (publish'd according to act of Parliament, July 9, 1743.)[Orpheus and Euridice [graphic]]. https://collections.library.yale.edu/catalog/10700439.