Leaflet. FAC
MLA
Free Library of Philadelphia (Philadelphia, Pennsylvania). Leaflet. FAC. Box 1 | Folder 59. circa 1975. https://collections.library.yale.edu/catalog/2107045.
APA, 6th edition
Free Library of Philadelphia (Philadelphia, Pennsylvania). (["Box 1 | Folder 59"])(circa 1975)[Leaflet. FAC]. https://collections.library.yale.edu/catalog/2107045.