Cite

"Riding His Hobby."

MLA

Hansen, Bert, 1944-. "Riding His Hobby.". Box 8, folder 1. 1877 October 3. https://collections.library.yale.edu/catalog/32327044.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 8, folder 1"])(1877 October 3)["Riding His Hobby."]. https://collections.library.yale.edu/catalog/32327044.