MLA

Loy, Mina (1882-1966). "Repassed Platform". Box 5, folder 117. n.d.. https://collections.library.yale.edu/catalog/11700454.

APA, 6th edition

Loy, Mina (1882-1966). (["Box 5, folder 117"])(n.d.)["Repassed Platform"]. https://collections.library.yale.edu/catalog/11700454.