MLA

Brown, Joseph, 1809-1887, printmaker. King Henry the VIIIth and the Emperor Charles the Vth from the original picture in the Strawberry Hill Gallery / [graphic]. [not before 1839]. https://collections.library.yale.edu/catalog/16229194.

APA, 6th edition

Brown, Joseph, 1809-1887, printmaker. ([not before 1839])[King Henry the VIIIth and the Emperor Charles the Vth from the original picture in the Strawberry Hill Gallery / [graphic]]. https://collections.library.yale.edu/catalog/16229194.