Simpson's long forceps
MLA
George Tiemann and Company, Simpson, James Y. (1811-1870), Thoms, Herbert (1885-1972). Simpson's long forceps. Box 049. 1848. https://collections.library.yale.edu/catalog/17322025.
APA, 6th edition
George Tiemann and Company, & Simpson, James Y. (1811-1870), & Thoms, Herbert (1885-1972). (["Box 049"])(1848)[Simpson's long forceps]. https://collections.library.yale.edu/catalog/17322025.