MLA

Hansen, Bert, 1944-. "Ladies Home Journal.". Box 6, folder 21. 1927 September 17. https://collections.library.yale.edu/catalog/32326806.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 6, folder 21"])(1927 September 17)["Ladies Home Journal."]. https://collections.library.yale.edu/catalog/32326806.