MLA

William Darton, Bookseller [Graphic]. William Darton, 58, Holborn Hill, 1822, where may be had maps and prints wholesale, 0AD. https://collections.library.yale.edu/catalog/33117833.

APA, 6th edition

William Darton, bookseller [graphic]. (0 C.E.). [Etchings England London 1822, Engravings England London 1822]. William Darton, 58, Holborn Hill, 1822, where may be had maps and prints wholesale. https://collections.library.yale.edu/catalog/33117833.