Cite

This is my fathers autograph collection, made as is obvious over a period of many years. Keep it

MLA

This Is My Fathers Autograph Collection, Made as Is Obvious over a Period of Many Years. Keep It. 0AD. https://collections.library.yale.edu/catalog/2030703.

APA, 6th edition

This is my fathers autograph collection, made as is obvious over a period of many years. Keep it. (0 C.E.). https://collections.library.yale.edu/catalog/2030703.