MLA
Marken & Bielfeld, Inc. (Frederick, Md.). White Oak Canyon at Nigger Run Fork, Skyline Drive, Va.. June 25, 1989. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/798mcvdnfj-cor.
APA, 6th edition
Marken & Bielfeld, Inc. (Frederick, Md.). (June 25, 1989)[White Oak Canyon at Nigger Run Fork, Skyline Drive, Va.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/798mcvdnfj-cor.
Chicago
Marken & Bielfeld, Inc. (Frederick, Md.), White Oak Canyon at Nigger Run Fork, Skyline Drive, Va., June 25, 1989, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/798mcvdnfj-cor.