MLA

Simpson, Randolph Linsly, 1927-1992. Obverse of a banner; ribbon at bottom: "6th United States Colored Troops"; ribbon at top: "Freedom for All"; in center vignette of Liberty and African-American soldier with girl in background sitting on bail of cotton. Carte de visite. Box 11, folder 431. 1863. https://collections.library.yale.edu/catalog/2005525.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 11, folder 431"])(1863)[Obverse of a banner; ribbon at bottom: "6th United States Colored Troops"; ribbon at top: "Freedom for All"; in center vignette of Liberty and African-American soldier with girl in background sitting on bail of cotton. Carte de visite]. https://collections.library.yale.edu/catalog/2005525.