एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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