MLA

Cohen, Felix S., 1907-1953. Draft and comments of chp. 9, Individual rights in tribal property; chp. 12, Indian education; chp. 25, Pueblos of New Mexico. Box 14, folder 240-46. 1939-40, n.d.. https://collections.library.yale.edu/catalog/17147622.

APA, 6th edition

Cohen, Felix S., 1907-1953. (["Box 14, folder 240-46"])(1939-40, n.d.)[Draft and comments of chp. 9, Individual rights in tribal property; chp. 12, Indian education; chp. 25, Pueblos of New Mexico]. https://collections.library.yale.edu/catalog/17147622.