MLA
Freeman, O. I. Real Estate Map of Chelsea Heights, Dekalb County, Georgia. 1913. Stuart A. Rose Manuscript, Archives, and Rare Book Library, XOP1. https://digital.library.emory.edu/purl/573bzkh1nv-cor.
APA, 6th edition
Freeman, O. I. (1913). Real estate map of Chelsea Heights, Dekalb County, Georgia (XOP1) [Cadastral maps]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/573bzkh1nv-cor.
Chicago
Freeman, O. I. “Real Estate Map of Chelsea Heights, Dekalb County, Georgia.” Cadastral maps. Atlanta Miscellany Collection, 1913. XOP1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/573bzkh1nv-cor.