Zilboorg, Carolyn
MLA
Zilboorg, James, 1892-1968. Zilboorg, Carolyn. Box 3, folder 69. undated. https://collections.library.yale.edu/catalog/17096147.
APA, 6th edition
Zilboorg, James, 1892-1968. (["Box 3, folder 69"])(undated)[Zilboorg, Carolyn]. https://collections.library.yale.edu/catalog/17096147.