Cite

"Thumbs Down!"

MLA

Hansen, Bert, 1944-. "Thumbs Down!". Box 12, folder 8. 1911 June 7. https://collections.library.yale.edu/catalog/32326560.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 12, folder 8"])(1911 June 7)["Thumbs Down!"]. https://collections.library.yale.edu/catalog/32326560.