Cite

Scenes from siege of Nanking (glass negatives) - Revolutionaries marching in to take up quarters in Expo grounds

MLA

Scenes from Siege of Nanking (Glass Negatives) - Revolutionaries Marching in to Take up Quarters in Expo Grounds. 0AD. https://collections.library.yale.edu/catalog/12377427.

APA, 6th edition

Scenes from siege of Nanking (glass negatives) - Revolutionaries marching in to take up quarters in Expo grounds. (0 C.E.). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12377427.