Cite

"Family-Physician Number."

MLA

Hansen, Bert, 1944-. "Family-Physician Number.". Box 1, folder 10. 1917 March 15. https://collections.library.yale.edu/catalog/32332494.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 1, folder 10"])(1917 March 15)["Family-Physician Number."]. https://collections.library.yale.edu/catalog/32332494.