MLA

Brigden, Zachariah, 1734-1787. Silversmith work. Box 1, folder 37-38. 1751-87, n.d.. https://collections.library.yale.edu/catalog/16169342.

APA, 6th edition

Brigden, Zachariah, 1734-1787. (["Box 1, folder 37-38"])(1751-87, n.d.)[Silversmith work]. https://collections.library.yale.edu/catalog/16169342.