MLA

Erickson, T. Charles. Howard M. Spiro. Yale University Office of Public Affairs, 0AD. https://collections.library.yale.edu/catalog/16787970.

APA, 6th edition

Erickson, T. C. (0 C.E.). Howard M. Spiro [Photograph]. Yale University Office of Public Affairs. https://collections.library.yale.edu/catalog/16787970.