MLA

Alken, Henry Thomas, 1784-1851, printmaker. Dissatisfied [graphic]. [1 August 1821]. https://collections.library.yale.edu/catalog/10969132.

APA, 6th edition

Alken, Henry Thomas, 1784-1851, printmaker. ([1 August 1821])[Dissatisfied [graphic]]. https://collections.library.yale.edu/catalog/10969132.