Identification and membership cards
MLA
McKay, Claude, 1890-1948. Identification and membership cards. Box 16, folder 514. 1922-48. https://collections.library.yale.edu/catalog/16593865.
APA, 6th edition
McKay, Claude, 1890-1948. (["Box 16, folder 514"])(1922-48)[Identification and membership cards]. https://collections.library.yale.edu/catalog/16593865.