MLA

[An English Scene on the Italian Boulevard's, April 1797] [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/11106083.

APA, 6th edition

[An English scene on the Italian Boulevard's, April 1797] [graphic]. (0 C.E.). [Genre prints, Engravings England 1797, Etchings England 1797, Watermarks (Paper), Annotations (Provenance) 18th century]. publisher not identified. https://collections.library.yale.edu/catalog/11106083.