एपीए उद्धरण

Posner,Richard A. (2006). Frontiers of legal theory. universal law publishing company.

शिकागो स्टाइल उद्धरण

Posner,Richard A. Frontiers of Legal Theory. New Delhi: universal law publishing company, 2006.

एमएलए उद्धरण

Posner,Richard A. Frontiers of Legal Theory. universal law publishing company, 2006.