Cite

"Rural Vaccination of Children, Drawn from Nature."

MLA

Hansen, Bert, 1944-. "Rural Vaccination of Children, Drawn from Nature.". Box 13, folder 3. 1867. https://collections.library.yale.edu/catalog/32325667.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 13, folder 3"])(1867)["Rural Vaccination of Children, Drawn from Nature."]. https://collections.library.yale.edu/catalog/32325667.