Cite

Down in a mine. Under first line trench

MLA

Down in a Mine. Under First Line Trench. 0AD. https://collections.library.yale.edu/catalog/2017191.

APA, 6th edition

Down in a mine. Under first line trench. (0 C.E.). [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017191.