MLA

Blencowe, William Ferdinand, and M. D. William Ferdinand Blencowe, M.D., Lowick Hall. 0AD. https://collections.library.yale.edu/catalog/16789143.

APA, 6th edition

Blencowe, W. F., & M. D. (0 C.E.). William Ferdinand Blencowe, M.D., Lowick Hall [Bookplates]. https://collections.library.yale.edu/catalog/16789143.