MLA

Jamieson, James D. Bacteria Hemophilus Pleuropneumoniae. Yale University School of Medicine, 10AD. https://collections.library.yale.edu/catalog/15817807.

APA, 6th edition

Jamieson, J. D. (10 C.E.). Bacteria Hemophilus pleuropneumoniae [Transmission electron micrograph]. Yale University School of Medicine. https://collections.library.yale.edu/catalog/15817807.