Cite

Sheffield Scientific School Class of 1881 30th reunion class picture.

MLA

Unknown. Sheffield Scientific School Class of 1881 30th Reunion Class Picture. 1911. https://collections.library.yale.edu/catalog/10016374.

APA, 6th edition

U. (1911). Sheffield Scientific School Class of 1881 30th reunion class picture. [Books (part of)]. https://collections.library.yale.edu/catalog/10016374.