Cite

Three pencil sketches

MLA

Wolff, Kurt, 1887-1963. Three pencil sketches. Box 10, folder 405. [1913?], n.d.. https://collections.library.yale.edu/catalog/2021384.

APA, 6th edition

Wolff, Kurt, 1887-1963. (["Box 10, folder 405"])([1913?], n.d.)[Three pencil sketches]. https://collections.library.yale.edu/catalog/2021384.