MLA

Harewood General Hospital, Photographer unidentified. David R. Templeton, Hospital Number 20,407. 1865. https://collections.library.yale.edu/catalog/15831068.

APA, 6th edition

Harewood General Hospital, P. unidentified. (1865). David R. Templeton, Hospital Number 20,407 [Albumen Print]. https://collections.library.yale.edu/catalog/15831068.