MLA
Northup, Solomon, 1808-1863?. Twelve years a slave : narrative of Solomon Northup, a citizen of New-York, kidnapped in Washington City in 1841, and rescued in 1853, from a cotton plantation near the Red River in Louisiana.. 1853. African American Imprints Collection. Emory University. General Libraries. https://digital.library.emory.edu/purl/774qjq2fcw-cor.
APA, 6th edition
Northup, Solomon, 1808-1863?. (1853)[Twelve years a slave : narrative of Solomon Northup, a citizen of New-York, kidnapped in Washington City in 1841, and rescued in 1853, from a cotton plantation near the Red River in Louisiana., 13th thousand.]. African American Imprints Collection, Emory University. General Libraries. https://digital.library.emory.edu/purl/774qjq2fcw-cor.
Chicago
Northup, Solomon, 1808-1863?, Twelve years a slave : narrative of Solomon Northup, a citizen of New-York, kidnapped in Washington City in 1841, and rescued in 1853, from a cotton plantation near the Red River in Louisiana., 1853, African American Imprints Collection, Emory University. General Libraries. https://digital.library.emory.edu/purl/774qjq2fcw-cor.