1 sheet graph paper, "It has always seemed..." [#67]
MLA
Stein, Gertrude, 1874-1946. 1 sheet graph paper, "It has always seemed..." [#67]. Box 37, folder 751. n.d.. https://collections.library.yale.edu/catalog/10979969.
APA, 6th edition
Stein, Gertrude, 1874-1946. (["Box 37, folder 751"])(n.d.)[1 sheet graph paper, "It has always seemed..." [#67]]. https://collections.library.yale.edu/catalog/10979969.