MLA

Heath, William, 1795-1840, printmaker. Pray Madam what is a note of interrogation? tis a little crooked thing that ask's questions. [graphic]. [19 March 1824]. https://collections.library.yale.edu/catalog/10970078.

APA, 6th edition

Heath, William, 1795-1840, printmaker. ([19 March 1824])[Pray Madam what is a note of interrogation? tis a little crooked thing that ask's questions. [graphic]]. https://collections.library.yale.edu/catalog/10970078.