MLA

Simpson, Randolph Linsly, 1927-1992. Bogardus, New York, NY Group portrait of the University Singers of New Orleans; five men and three women; in formal dress. Cabinet photograph. Box 9, folder 165. circa 1875. https://collections.library.yale.edu/catalog/2002217.

APA, 6th edition

Simpson, Randolph Linsly, 1927-1992. (["Box 9, folder 165"])(circa 1875)[Bogardus, New York, NY Group portrait of the University Singers of New Orleans; five men and three women; in formal dress. Cabinet photograph]. https://collections.library.yale.edu/catalog/2002217.