"Visiting Day at the Hospital. After the Painting by Geoffroy in the Paris Salon of 1889."
MLA
Hansen, Bert, 1944-. "Visiting Day at the Hospital. After the Painting by Geoffroy in the Paris Salon of 1889.". Box 13, folder 6. 1889 July 23. https://collections.library.yale.edu/catalog/32332130.
APA, 6th edition
Hansen, Bert, 1944-. (["Box 13, folder 6"])(1889 July 23)["Visiting Day at the Hospital. After the Painting by Geoffroy in the Paris Salon of 1889."]. https://collections.library.yale.edu/catalog/32332130.
