Cite

A very warm effect [graphic]

MLA

Alken, Henry Thomas, 1784-1851, artist. A very warm effect [graphic]. 1824.. https://collections.library.yale.edu/catalog/10970066.

APA, 6th edition

Alken, Henry Thomas, 1784-1851, artist. (1824.)[A very warm effect [graphic]]. https://collections.library.yale.edu/catalog/10970066.