MLA

Forsyth, James W. (James William), 1836-1906. Newspaper clippings, loose pages and clippings (photocopies of originals). Box 10 (Oversize), folder 183. 1878-1906, n.d.. https://collections.library.yale.edu/catalog/16706145.

APA, 6th edition

Forsyth, James W. (James William), 1836-1906. (["Box 10 (Oversize), folder 183"])(1878-1906, n.d.)[Newspaper clippings, loose pages and clippings (photocopies of originals)]. https://collections.library.yale.edu/catalog/16706145.