Cite

Scenes from siege of Nanking (glass negatives) - View of some of the prisoners beheaded

MLA

Scenes from Siege of Nanking (Glass Negatives) - View of Some of the Prisoners Beheaded. 0AD. https://collections.library.yale.edu/catalog/12377435.

APA, 6th edition

Scenes from siege of Nanking (glass negatives) - View of some of the prisoners beheaded. (0 C.E.). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12377435.