Cite

Simpson's forceps

MLA

Simpson, James Y. (1811-1870), Thoms, Herbert (1885-1972), Young, Edinburgh. Simpson's forceps. Box 045. 1848. https://collections.library.yale.edu/catalog/17322041.

APA, 6th edition

Simpson, James Y. (1811-1870), & Thoms, Herbert (1885-1972), & Young, Edinburgh. (["Box 045"])(1848)[Simpson's forceps]. https://collections.library.yale.edu/catalog/17322041.