MLA
Hopkins, Griffith Morgan, Jr. City Atlas of Atlanta, Georgia : from Actual Surveys and Records. Hopkins, 1878. Emory University. General Libraries. https://digital.library.emory.edu/purl/39995x6ff5-cor.
APA, 6th edition
Hopkins, G. M., Jr. (1878). City atlas of Atlanta, Georgia : from actual surveys and records. Hopkins; Emory University. General Libraries. https://digital.library.emory.edu/purl/39995x6ff5-cor.
Chicago
Hopkins, Griffith Morgan, Jr. “City Atlas of Atlanta, Georgia : from Actual Surveys and Records.” Stuart A. Rose Manuscripts, Archives, and Rare Books Library Digitized Books Collection. Baltimore, Md.: Hopkins, 1878. Emory University. General Libraries. https://digital.library.emory.edu/purl/39995x6ff5-cor.