MLA

Helburn, Theresa, 1887-1959. Scrapbooks, 1942-1948. Box 4. 1942-1948. https://collections.library.yale.edu/catalog/2010332.

APA, 6th edition

Helburn, Theresa, 1887-1959. (["Box 4"])(1942-1948)[Scrapbooks, 1942-1948]. https://collections.library.yale.edu/catalog/2010332.