Cite

Two sets of proofs

MLA

D'Aulaire, Edgar Parin, 1898-1986. Two sets of proofs. Box 46 (Oversize). circa 1939. https://collections.library.yale.edu/catalog/12234917.

APA, 6th edition

D'Aulaire, Edgar Parin, 1898-1986. (["Box 46 (Oversize)"])(circa 1939)[Two sets of proofs]. https://collections.library.yale.edu/catalog/12234917.