Cite

"The Marathon Mania."

MLA

Hansen, Bert, 1944-. "The Marathon Mania.". Box 11, folder 26. 1909 January 20. https://collections.library.yale.edu/catalog/32326836.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 11, folder 26"])(1909 January 20)["The Marathon Mania."]. https://collections.library.yale.edu/catalog/32326836.