APA (7th ed.) Citation

Gray, J. C., & Gray, R. (1963). The nature and sources of the law (Second edition from the author's notes.). Beacon Press.

Chicago Style (17th ed.) Citation

Gray, John Chipman, and Roland Gray. The Nature and Sources of the Law. Second edition from the author's notes. Boston: Beacon Press, 1963.

MLA (8th ed.) Citation

Gray, John Chipman, and Roland Gray. The Nature and Sources of the Law. Second edition from the author's notes. Beacon Press, 1963.