MLA

Standiford, J. F. Photographs in Kansas and Indian Territory [Graphic]. J.F. Standiford, 0AD. https://collections.library.yale.edu/catalog/2011422.

APA, 6th edition

Standiford, J. F. (0 C.E.). Photographs in Kansas and Indian Territory [graphic]. [Pictorial works, Card photographs (photographs), Photographic prints]. J.F. Standiford. https://collections.library.yale.edu/catalog/2011422.