Citazione Stile APA (7a Edizione)

Morris, T. D. (1974). Free men all: The personal liberty laws of the North, 1780-1861. Johns Hopkins University Press.

Citazione stile Chigago Style (17a edizione)

Morris, Thomas D. Free Men All: The Personal Liberty Laws of the North, 1780-1861. Baltimore: Johns Hopkins University Press, 1974.

Citatione MLA (8a ed.)

Morris, Thomas D. Free Men All: The Personal Liberty Laws of the North, 1780-1861. Johns Hopkins University Press, 1974.