MLA

Johnson, Owen, 1878-1952. Curie, Marie Sklodowska. Box 18, folder 333. 1903, n.d.. https://collections.library.yale.edu/catalog/32230768.

APA, 6th edition

Johnson, Owen, 1878-1952. (["Box 18, folder 333"])(1903, n.d.)[Curie, Marie Sklodowska]. https://collections.library.yale.edu/catalog/32230768.