MLA

Library of the New Haven Hospital, Urlacher, and M. D. J. K. Library of the New Haven Hospital. 0AD. https://collections.library.yale.edu/catalog/16788976.

APA, 6th edition

Library of the New Haven Hospital, U., & J. K., M. D. (0 C.E.). Library of the New Haven Hospital [Bookplates]. https://collections.library.yale.edu/catalog/16788976.