Cite

"The Trepanning of a Rabbit at Mr. Pasteur's Laboratory."

MLA

Hansen, Bert, 1944-. "The Trepanning of a Rabbit at Mr. Pasteur's Laboratory.". Box 12, folder 26. 1886 June 5. https://collections.library.yale.edu/catalog/32334798.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 12, folder 26"])(1886 June 5)["The Trepanning of a Rabbit at Mr. Pasteur's Laboratory."]. https://collections.library.yale.edu/catalog/32334798.