Ducart
MLA
Thayer, Scofield, 1889-1982. Ducart. Box 69, folder 1862. 1921-22. https://collections.library.yale.edu/catalog/17251476.
APA, 6th edition
Thayer, Scofield, 1889-1982. (["Box 69, folder 1862"])(1921-22)[Ducart]. https://collections.library.yale.edu/catalog/17251476.