Cite

Armstrong, Samuel C., 14 items

MLA

Pratt, Richard Henry, 1840-1924. Armstrong, Samuel C., 14 items. Box 1, folder 11. 1877-78. https://collections.library.yale.edu/catalog/16701071.

APA, 6th edition

Pratt, Richard Henry, 1840-1924. (["Box 1, folder 11"])(1877-78)[Armstrong, Samuel C., 14 items]. https://collections.library.yale.edu/catalog/16701071.