Cite

Owyang Keng, Sheffield Scientific School class of 1881.

MLA

The Notman Photographic Co., Ltd., and N. Y. Albany. Owyang Keng, Sheffield Scientific School Class of 1881. 0AD. https://collections.library.yale.edu/catalog/10016366.

APA, 6th edition

The Notman Photographic Co., L., & Albany, N. Y. (0 C.E.). Owyang Keng, Sheffield Scientific School class of 1881. [Photographic prints]. https://collections.library.yale.edu/catalog/10016366.