Cite

[King-fisher and ducks of Battersea enamel] [art original].

MLA

Janssen, Stephen Theodore, 1747-1777. [King-fisher and ducks of Battersea enamel] [art original].. [18th century]. https://collections.library.yale.edu/catalog/15815203.

APA, 6th edition

Janssen, Stephen Theodore, 1747-1777. ([18th century])[[King-fisher and ducks of Battersea enamel] [art original].]. https://collections.library.yale.edu/catalog/15815203.