Cite

[A lady in blue gown] [art original].

MLA

Zincke, Christian Frederick, and artist. [A Lady in Blue Gown] [Art Original]. 0AD. https://collections.library.yale.edu/catalog/15815253.

APA, 6th edition

Zincke, C. F., & artist. (0 C.E.). [A lady in blue gown] [art original]. [Portrait paintings, Paintings (visual works)]. https://collections.library.yale.edu/catalog/15815253.