Cite

Black Diamond handlers. U.S.S. Chester. Vera Cruz

MLA

Trenkle, Ernest J. Black Diamond Handlers. U.S.S. Chester. Vera Cruz. 1914. https://collections.library.yale.edu/catalog/2017174.

APA, 6th edition

Trenkle, E. J. (1914). Black Diamond handlers. U.S.S. Chester. Vera Cruz [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017174.