APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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