Book 7, Page 21b
MLA
DeKalb County (Ga.). "Book 7, Page 21b." DeKalb History Center (Decatur, Ga.). 1912/1936, https://dlg.usg.edu/record/dhc_dcpm_pb07-021b#item.
APA
DeKalb County (Ga.) (1912/1936). Book 7, Page 21b. Retrieved from https://dlg.usg.edu/record/dhc_dcpm_pb07-021b#item
Chicago
DeKalb County (Ga.). "Book 7, Page 21b." 1912/1936. July 3, 2025. https://dlg.usg.edu/record/dhc_dcpm_pb07-021b#item.