"Birth of Melody"
MLA
Loy, Mina (1882-1966). "Birth of Melody". Box 5, folder 78. n.d.. https://collections.library.yale.edu/catalog/11699200.
APA, 6th edition
Loy, Mina (1882-1966). (["Box 5, folder 78"])(n.d.)["Birth of Melody"]. https://collections.library.yale.edu/catalog/11699200.