Cite

"In Danger."

MLA

Hansen, Bert, 1944-. "In Danger.". Box 11, folder 4. 1880 April 14. https://collections.library.yale.edu/catalog/32326728.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 11, folder 4"])(1880 April 14)["In Danger."]. https://collections.library.yale.edu/catalog/32326728.