MLA
Colourpicture Publishers, Inc. (Boston, Mass.). Chipping or streaking the living pine tree for gum. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmg5-cor.
APA, 6th edition
Colourpicture Publishers, Inc. (Boston, Mass.). (unknown)[Chipping or streaking the living pine tree for gum]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmg5-cor.
Chicago
Colourpicture Publishers, Inc. (Boston, Mass.), Chipping or streaking the living pine tree for gum, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmg5-cor.