MLA
Loberg, H. A. The Colored School in Portsmouth, Ohio. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/354xgxd289-cor.
APA, 6th edition
Loberg, H. A. The colored school in Portsmouth, Ohio (Box 69) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/354xgxd289-cor.
Chicago
Loberg, H. A. “The Colored School in Portsmouth, Ohio.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/354xgxd289-cor.