Henry Gray Barbour
MLA
Barbour, Henry Gray, and Yale University. School of Medicine M.D. Henry Gray Barbour. 0AD. https://collections.library.yale.edu/catalog/16788798.
APA, 6th edition
Barbour, H. G., & M.D., Y. U. S. of M. (0 C.E.). Henry Gray Barbour [Bookplates [?]. https://collections.library.yale.edu/catalog/16788798.