MLA

Marks, John Lewis, and printmaker. Low Life above Stairs, or, The Humours of the Great Baby at B***Ht*n [Graphic]. Pub. by J.L. Marks, No. 28 Fetter Lane, Fleet Street, 0AD. https://collections.library.yale.edu/catalog/33245993.

APA, 6th edition

Marks, J. L., & printmaker. (0 C.E.). Low life above stairs, or, The humours of the great baby at B***ht*n [graphic]. [Caricatures and cartoons, Broadsides, Poems, Satires (Visual works) England 1821, Etchings England London 1821, Annotations (Provenance) 19th century]. Pub. by J.L. Marks, No. 28 Fetter Lane, Fleet Street. https://collections.library.yale.edu/catalog/33245993.