Cite

Notebook, "I was ever of opinion..." [#33]

MLA

Stein, Gertrude, 1874-1946. Notebook, "I was ever of opinion..." [#33]. Box 37, folder 752. n.d.. https://collections.library.yale.edu/catalog/10979970.

APA, 6th edition

Stein, Gertrude, 1874-1946. (["Box 37, folder 752"])(n.d.)[Notebook, "I was ever of opinion..." [#33]]. https://collections.library.yale.edu/catalog/10979970.