MLA

Trenkle, Ernest J. Russian Sailors on Thier Own Ship. 0AD. https://collections.library.yale.edu/catalog/2017165.

APA, 6th edition

Trenkle, E. J. (0 C.E.). Russian sailors on thier own ship [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017165.