Cite

Original drawing: oil on cardboard. [1930]. [6263-2]

MLA

Original Drawing: Oil on Cardboard. [1930]. [6263-2]. 1930. https://collections.library.yale.edu/catalog/10658555.

APA, 6th edition

Original drawing: oil on cardboard. [1930]. [6263-2]. (1930). [Scrapbooks]. https://collections.library.yale.edu/catalog/10658555.