Cite

Mather, S[ara] A., 15 items

MLA

Pratt, Richard Henry, 1840-1924. Mather, S[ara] A., 15 items. Box 6, folder 195. 1878-84, n.d.. https://collections.library.yale.edu/catalog/16701078.

APA, 6th edition

Pratt, Richard Henry, 1840-1924. (["Box 6, folder 195"])(1878-84, n.d.)[Mather, S[ara] A., 15 items]. https://collections.library.yale.edu/catalog/16701078.