MLA

Dighton, Richard, 1795-1880, artist. The wonderful French giant aged 22 measures 7 feet 3 inches [art original]. [approximately Janaury 1822]. https://collections.library.yale.edu/catalog/10969189.

APA, 6th edition

Dighton, Richard, 1795-1880, artist. ([approximately Janaury 1822])[The wonderful French giant aged 22 measures 7 feet 3 inches [art original]]. https://collections.library.yale.edu/catalog/10969189.