Cite

"An Outside Ally."

MLA

Hansen, Bert, 1944-. "An Outside Ally.". Box 10, folder 5. 1887 December 21. https://collections.library.yale.edu/catalog/32331535.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 10, folder 5"])(1887 December 21)["An Outside Ally."]. https://collections.library.yale.edu/catalog/32331535.