MLA
Andrews & Kenyon (Lincoln, Neb.). A little African American girl in a dress and a bow in her hair, standing on a stool leaning against a chair. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht76mj-cor.
APA, 6th edition
Andrews & Kenyon (Lincoln, Neb.). (unknown)[A little African American girl in a dress and a bow in her hair, standing on a stool leaning against a chair]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht76mj-cor.
Chicago
Andrews & Kenyon (Lincoln, Neb.), A little African American girl in a dress and a bow in her hair, standing on a stool leaning against a chair, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht76mj-cor.