"The Newly Elected Board of Alderman of the Metropolis."
MLA
Hansen, Bert, 1944-. "The Newly Elected Board of Alderman of the Metropolis.". Box 11, folder 2. 1879 November 19. https://collections.library.yale.edu/catalog/32326722.
APA, 6th edition
Hansen, Bert, 1944-. (["Box 11, folder 2"])(1879 November 19)["The Newly Elected Board of Alderman of the Metropolis."]. https://collections.library.yale.edu/catalog/32326722.