MLA
Turner. W.H. Shepard F.R.G.S., the First Foreigner to Enter the Bakuba Land of Central Africa with Various Items Brought Back. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 61. https://digital.library.emory.edu/purl/0343r22835-cor.
APA, 6th edition
T. W.H. Shepard F.R.G.S., the first foreigner to enter the Bakuba land of Central Africa with various items brought back (Box 61) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0343r22835-cor.
Chicago
Turner. “W.H. Shepard F.R.G.S., the First Foreigner to Enter the Bakuba Land of Central Africa with Various Items Brought Back.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 61. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0343r22835-cor.