MLA
Grombach-Faisans Co., Ltd. of New Orleans (La.). Sleeping darkey, New Orleans, La.. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g32-cor.
APA, 6th edition
Grombach-Faisans Co., Ltd. of New Orleans (La.). (unknown)[Sleeping darkey, New Orleans, La.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g32-cor.
Chicago
Grombach-Faisans Co., Ltd. of New Orleans (La.), Sleeping darkey, New Orleans, La., unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g32-cor.