[Half portrait sketch of woman obscured by discoloration]
MLA
[Half Portrait Sketch of Woman Obscured by Discoloration]. 0AD. https://collections.library.yale.edu/catalog/2033384.
APA, 6th edition
[Half portrait sketch of woman obscured by discoloration]. (0 C.E.). [Drawings, Sketchbooks]. https://collections.library.yale.edu/catalog/2033384.