MLA

Davis, David Daniel (1777-1841), P. H. Schmidt, Thoms, Herbert (1885-1972). Embryotomy spoon. Box 047. https://collections.library.yale.edu/catalog/17322124.

APA, 6th edition

Davis, David Daniel (1777-1841), & P. H. Schmidt, & Thoms, Herbert (1885-1972). (["Box 047"])[Embryotomy spoon]. https://collections.library.yale.edu/catalog/17322124.