MLA

Pezzati, Pietro, et al. Vernon W. Lippard. 1969. https://collections.library.yale.edu/catalog/16787744.

APA, 6th edition

Pezzati, P., Szaszfai, J., & Gallery, Y. U. A. (1969). Vernon W. Lippard [Photograph]. https://collections.library.yale.edu/catalog/16787744.