Cite

Sir Horace Mann [art original].

MLA

Harding, G. P. (George Perfect), 1780-1853, artist. Sir Horace Mann [art original].. [ca. 1810]. https://collections.library.yale.edu/catalog/11138650.

APA, 6th edition

Harding, G. P. (George Perfect), 1780-1853, artist. ([ca. 1810])[Sir Horace Mann [art original].]. https://collections.library.yale.edu/catalog/11138650.