Cite

"M. Louis Pasteur in His Laboratory--From the Painting by Edelfelt."

MLA

Hansen, Bert, 1944-. "M. Louis Pasteur in His Laboratory--From the Painting by Edelfelt.". Box 5, folder 23. 1895 October 12. https://collections.library.yale.edu/catalog/32331355.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 5, folder 23"])(1895 October 12)["M. Louis Pasteur in His Laboratory--From the Painting by Edelfelt."]. https://collections.library.yale.edu/catalog/32331355.