MLA

Farquhar, Marilyn G. Junctions Frog Skin ATPase. Yale University School of Medicine, 2AD. https://collections.library.yale.edu/catalog/15817910.

APA, 6th edition

Farquhar, M. G. (2 C.E.). Junctions Frog skin ATPase [Transmission electron micrograph]. Yale University School of Medicine. https://collections.library.yale.edu/catalog/15817910.