Baylor University
MLA
Riggs, Lynn, 1899-1954. Baylor University. Box 1, folder 6. 1941, n.d.. https://collections.library.yale.edu/catalog/17197900.
APA, 6th edition
Riggs, Lynn, 1899-1954. (["Box 1, folder 6"])(1941, n.d.)[Baylor University]. https://collections.library.yale.edu/catalog/17197900.