MLA

Hansen, Bert, 1944-. "The Indian Medicine Show. The populace is privileged to step up and buy at any time.". Box 12, folder 2. 1910 November 2. https://collections.library.yale.edu/catalog/32332485.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 12, folder 2"])(1910 November 2)["The Indian Medicine Show. The populace is privileged to step up and buy at any time."]. https://collections.library.yale.edu/catalog/32332485.