MLA

Sergeant, Elizabeth Shepley, 1881-1965. [Pamphlets by and about Elizabeth Shepley Sergeant, including newspaper clippings, articles in periodicals and other ephemera].. Box 1 | Folder By Sergeant, Elizabeth Shepley. 1917 August. https://collections.library.yale.edu/catalog/10544404.

APA, 6th edition

Sergeant, Elizabeth Shepley, 1881-1965. (["Box 1 | Folder By Sergeant, Elizabeth Shepley"])(1917 August)[[Pamphlets by and about Elizabeth Shepley Sergeant, including newspaper clippings, articles in periodicals and other ephemera].]. https://collections.library.yale.edu/catalog/10544404.