MLA

The Old-Ballad Singer [Graphic]. Printed for Carington Bowles, at his Map & Print Warehouse, No. 69 in St. Pauls Church Yard, London, 0AD. https://collections.library.yale.edu/catalog/10723220.

APA, 6th edition

The old-ballad singer [graphic]. (0 C.E.). [Cries, Mezzotints England London 1779, Watermarks (Paper), Annotations (Provenance)]. Printed for Carington Bowles, at his Map & Print Warehouse, No. 69 in St. Pauls Church Yard, London. https://collections.library.yale.edu/catalog/10723220.