MLA

Long, Anton V. Legacy from Haniel Long. Brookside Press, 0AD. https://collections.library.yale.edu/catalog/2065338.

APA, 6th edition

Long, A. V. (0 C.E.). Legacy from Haniel Long [Advertisements, Annotations, Autographs, Bibliographies, Illustrations]. Brookside Press. https://collections.library.yale.edu/catalog/2065338.