APA-viite

Posner, R. A. (1999). The problematics of moral and legal theory. Belknap Press of Harvard University Press.

Chicago-tyylinen lähdeviittaus

Posner, Richard A. The Problematics of Moral and Legal Theory. Cambridge, Mass: Belknap Press of Harvard University Press, 1999.

MLA-viite

Posner, Richard A. The Problematics of Moral and Legal Theory. Belknap Press of Harvard University Press, 1999.