Cite

Piece of leather (unidentified) 3:2

MLA

Huntington, Ellsworth, 1876-1947. Piece of leather (unidentified) 3:2. Box 4, item 3-2. 1947, undated. https://collections.library.yale.edu/catalog/32213364.

APA, 6th edition

Huntington, Ellsworth, 1876-1947. (["Box 4, item 3-2"])(1947, undated)[Piece of leather (unidentified) 3:2]. https://collections.library.yale.edu/catalog/32213364.