MLA

Clendening, Logan, and Yale University. School of Medicine. Ex Libris, Logan Clendening. 0AD. https://collections.library.yale.edu/catalog/16788824.

APA, 6th edition

Clendening, L., & of Medicine, Y. U. S. (0 C.E.). Ex Libris, Logan Clendening [Bookplates]. https://collections.library.yale.edu/catalog/16788824.