MLA

Palade, George E. Capillary Rat Tongue Clathrin Coated Caveola. Yale University School of Medicine, 4AD. https://collections.library.yale.edu/catalog/15817819.

APA, 6th edition

Palade, G. E. (4 C.E.). Capillary Rat tongue clathrin coated caveola [Transmission electron micrograph]. Yale University School of Medicine. https://collections.library.yale.edu/catalog/15817819.