MLA

Palade, George E. Mitochondria Guinea Pig Pancreas: the Classic Cristae Invaginations. Yale University School of Medicine, 10AD. https://collections.library.yale.edu/catalog/15817936.

APA, 6th edition

Palade, G. E. (10 C.E.). Mitochondria Guinea Pig Pancreas: the Classic cristae invaginations [Transmission electron micrograph]. Yale University School of Medicine. https://collections.library.yale.edu/catalog/15817936.