MLA

Austin, William, 1721-1820, printmaker. Public ordinary [graphic]. published as the act directs 1st. Jany. 1780.. https://collections.library.yale.edu/catalog/10723359.

APA, 6th edition

Austin, William, 1721-1820, printmaker. (published as the act directs 1st. Jany. 1780.)[Public ordinary [graphic]]. https://collections.library.yale.edu/catalog/10723359.