MLA

Jamieson, James D., and J.-P. Kraehenbuhl. Bovine Pancreas; Albumin Thin Sections; Immuno-Ferritin Localization of Trypsinogen; Duct Lumen. Yale University School of Medicine, 4AD. https://collections.library.yale.edu/catalog/15817808.

APA, 6th edition

Jamieson, J. D., & Kraehenbuhl, J.-P. (4 C.E.). Bovine pancreas; albumin thin sections; Immuno-ferritin localization of trypsinogen; duct lumen [Transmission electron micrograph]. Yale University School of Medicine. https://collections.library.yale.edu/catalog/15817808.