Cite

The opera boxes during the time of the great exhibition! [graphic]

MLA

Cruikshank, George, 1792-1878, printmaker. The opera boxes during the time of the great exhibition! [graphic]. [1851?]. https://collections.library.yale.edu/catalog/10972040.

APA, 6th edition

Cruikshank, George, 1792-1878, printmaker. ([1851?])[The opera boxes during the time of the great exhibition! [graphic]]. https://collections.library.yale.edu/catalog/10972040.