MLA

Elliot, George Thompson (1827-1881), Thoms, Herbert (1885-1972). Elliot's forceps. Box 049. 1858. https://collections.library.yale.edu/catalog/17322028.

APA, 6th edition

Elliot, George Thompson (1827-1881), & Thoms, Herbert (1885-1972). (["Box 049"])(1858)[Elliot's forceps]. https://collections.library.yale.edu/catalog/17322028.