MLA

Direct Sales Company, Incorporated, and Luer-Kaufman. Assorted Syringes and Needles. 0AD. https://collections.library.yale.edu/catalog/17318767.

APA, 6th edition

Direct Sales Company, I., & L.-K. (0 C.E.). Assorted Syringes and Needles [Artifacts]. https://collections.library.yale.edu/catalog/17318767.