"The New Photography."
MLA
Hansen, Bert, 1944-. "The New Photography.". Box 5, folder 24. 1896 February 22. https://collections.library.yale.edu/catalog/32332591.
APA, 6th edition
Hansen, Bert, 1944-. (["Box 5, folder 24"])(1896 February 22)["The New Photography."]. https://collections.library.yale.edu/catalog/32332591.