A sick child [art original].
MLA
Faesi-Gessner, Johann Konrad, 1796-1870, artist. A sick child [art original].. [before 1870]. https://collections.library.yale.edu/catalog/17339941.
APA, 6th edition
Faesi-Gessner, Johann Konrad, 1796-1870, artist. ([before 1870])[A sick child [art original].]. https://collections.library.yale.edu/catalog/17339941.