MLA

Harewood General Hospital, Photographer unidentified. James Fergerson, Hospital Number 20,409. 1865. https://collections.library.yale.edu/catalog/15831084.

APA, 6th edition

Harewood General Hospital, P. unidentified. (1865). James Fergerson, Hospital Number 20,409 [Albumen Print]. https://collections.library.yale.edu/catalog/15831084.