Cite

Carte-de-visite photographs of soldiers in the United States Colored Infantry Regiments during the American Civil War

MLA

Carte-De-Visite Photographs of Soldiers in the United States Colored Infantry Regiments during the American Civil War. 1864. https://collections.library.yale.edu/catalog/2053013.

APA, 6th edition

Carte-de-visite photographs of soldiers in the United States Colored Infantry Regiments during the American Civil War. (1864). [Pictorial works, Card photographs (photographs), Cartes-de-visite, Studio portraits]. https://collections.library.yale.edu/catalog/2053013.