Cite

[Notes on Picasso], holograph

MLA

Stein, Gertrude, 1874-1946. [Notes on Picasso], holograph. Box 86, folder 1639. n.d.. https://collections.library.yale.edu/catalog/17105720.

APA, 6th edition

Stein, Gertrude, 1874-1946. (["Box 86, folder 1639"])(n.d.)[[Notes on Picasso], holograph]. https://collections.library.yale.edu/catalog/17105720.