Cite

The Siamese youths after a few years residence in England [graphic]

MLA

Heath, William, 1795-1840, printmaker. The Siamese youths after a few years residence in England [graphic]. [19 December 1829]. https://collections.library.yale.edu/catalog/11128844.

APA, 6th edition

Heath, William, 1795-1840, printmaker. ([19 December 1829])[The Siamese youths after a few years residence in England [graphic]]. https://collections.library.yale.edu/catalog/11128844.