MLA

Low, David, 1891-1963. Express Newspapers. Box 6, folder 293-97. 1928-54, n.d.. https://collections.library.yale.edu/catalog/16457727.

APA, 6th edition

Low, David, 1891-1963. (["Box 6, folder 293-97"])(1928-54, n.d.)[Express Newspapers]. https://collections.library.yale.edu/catalog/16457727.