Cite

Piece of leather (unidentified), 3:1

MLA

Huntington, Ellsworth, 1876-1947. Piece of leather (unidentified), 3:1. Box 4, item 3-1. 1947, undated. https://collections.library.yale.edu/catalog/32213361.

APA, 6th edition

Huntington, Ellsworth, 1876-1947. (["Box 4, item 3-1"])(1947, undated)[Piece of leather (unidentified), 3:1]. https://collections.library.yale.edu/catalog/32213361.