Cite

"Virus Farm of the Board of Health."

MLA

Hansen, Bert, 1944-. "Virus Farm of the Board of Health.". Box 2, folder 27. 1884 November 15. https://collections.library.yale.edu/catalog/32325675.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 2, folder 27"])(1884 November 15)["Virus Farm of the Board of Health."]. https://collections.library.yale.edu/catalog/32325675.