Cite

Sunday services, 16th Inf. "death before dishonor"

MLA

Sunday Services, 16th Inf. "Death before Dishonor". 1915. https://collections.library.yale.edu/catalog/2017319.

APA, 6th edition

Sunday services, 16th Inf. "death before dishonor". (1915). [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017319.