Cite

"Furnishing Vaccine Matter To Country Doctors."

MLA

Hansen, Bert, 1944-. "Furnishing Vaccine Matter To Country Doctors.". Box 3, folder 16. 1870 April 23. https://collections.library.yale.edu/catalog/32329485.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 3, folder 16"])(1870 April 23)["Furnishing Vaccine Matter To Country Doctors."]. https://collections.library.yale.edu/catalog/32329485.