MLA
Cooley, Timothy Mather, 1772-1859. Sketches of the life and character of the Rev. Lemuel Haynes, A.M. : for many years pastor of a church in Rutland, Vt., and late in Granville, New-York. 1839. African American Imprints Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95918934hh-cor.
APA, 6th edition
Cooley, Timothy Mather, 1772-1859. (1839)[Sketches of the life and character of the Rev. Lemuel Haynes, A.M. : for many years pastor of a church in Rutland, Vt., and late in Granville, New-York]. African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95918934hh-cor.
Chicago
Cooley, Timothy Mather, 1772-1859, Sketches of the life and character of the Rev. Lemuel Haynes, A.M. : for many years pastor of a church in Rutland, Vt., and late in Granville, New-York, 1839, African American Imprints Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95918934hh-cor.