एपीए उद्धरण

Gray, J. C. (1963). The nature and sources of the law (2nd ed.). Beacon Press.

शिकागो स्टाइल उद्धरण

Gray, John Chipman. The Nature and Sources of the Law. 2nd ed. Boston: Beacon Press, 1963.

एमएलए उद्धरण

Gray, John Chipman. The Nature and Sources of the Law. 2nd ed. Beacon Press, 1963.