Cite

Robt. E. Lee's headquarters-Ft. Ringgold

MLA

Robt. E. Lee's Headquarters-Ft. Ringgold. 0AD. https://collections.library.yale.edu/catalog/2013659.

APA, 6th edition

Robt. E. Lee's headquarters-Ft. Ringgold. (0 C.E.). [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2013659.