Παραπομπή σε μορφή APA (7η εκδ.)

Colfax, R. H. (1833). Evidence against the view of the abolitionists: Consisting of physical and moral proofs, of the natural inferiority of the negroes. J. T. M. Bleakley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Colfax, Richard H. Evidence Against the View of the Abolitionists: Consisting of Physical and Moral Proofs, of the Natural Inferiority of the Negroes. New York: J. T. M. Bleakley, 1833.

Παραπομπή σε μορφή MLA (8th εκδ.)

Colfax, Richard H. Evidence Against the View of the Abolitionists: Consisting of Physical and Moral Proofs, of the Natural Inferiority of the Negroes. J. T. M. Bleakley, 1833.