توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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.