MLA

Giard, Robert. Grier, Barbara and Donna McBride. 1989. https://collections.library.yale.edu/catalog/2032867.

APA, 6th edition

Giard, R. (1989). Grier, Barbara and Donna McBride [Gelatin silver prints, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2032867.