File 20 [2 of 2 folders]
MLA
File 20 [2 of 2 Folders]. 0AD. https://collections.library.yale.edu/catalog/16600403.
APA, 6th edition
File 20 [2 of 2 folders]. (0 C.E.). [Fliers (printed matter) (AAT)]. https://collections.library.yale.edu/catalog/16600403.