Стиль цитування APA (7-ме видання)

Nash, G. B. (1991). Freedom by degrees: Emancipation in Pennsylvania and its aftermath. Oxford University Press.

Чикаго стиль цитування (17-те видання)

Nash, Gary B. Freedom by Degrees: Emancipation in Pennsylvania and Its Aftermath. New York: Oxford University Press, 1991.

Стиль цитування MLA (9-ме видання)

Nash, Gary B. Freedom by Degrees: Emancipation in Pennsylvania and Its Aftermath. Oxford University Press, 1991.