MLA

Schieffelin, Jacob, 1793-1880. Genealogical charts. Box 9, folder 142. 1949. https://collections.library.yale.edu/catalog/17256900.

APA, 6th edition

Schieffelin, Jacob, 1793-1880. (["Box 9, folder 142"])(1949)[Genealogical charts]. https://collections.library.yale.edu/catalog/17256900.