Cite

On guard Off guard ; Guarded / [graphic]

MLA

Heath, William, 1795-1840, artist. On guard Off guard ; Guarded / [graphic]. [1829?]. https://collections.library.yale.edu/catalog/11128781.

APA, 6th edition

Heath, William, 1795-1840, artist. ([1829?])[On guard Off guard ; Guarded / [graphic]]. https://collections.library.yale.edu/catalog/11128781.