MLA

Milton, William, active 1747-1790, artist, printmaker. William Welsh, coach and coach-harness maker, near College Green, Bristol ... [graphic]. [approximately 1757]. https://collections.library.yale.edu/catalog/16830628.

APA, 6th edition

Milton, William, active 1747-1790, artist, printmaker. ([approximately 1757])[William Welsh, coach and coach-harness maker, near College Green, Bristol ... [graphic]]. https://collections.library.yale.edu/catalog/16830628.