MLA
Albertype Co. (Brooklyn, N.Y.). Building a wall at Ha'nty Branch : African American man building a stone wall, while two children watch. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/081wdbrv4r-cor.
APA, 6th edition
Albertype Co. (Brooklyn, N.Y.). (unknown)[Building a wall at Ha'nty Branch : African American man building a stone wall, while two children watch]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/081wdbrv4r-cor.
Chicago
Albertype Co. (Brooklyn, N.Y.), Building a wall at Ha'nty Branch : African American man building a stone wall, while two children watch, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/081wdbrv4r-cor.