APA (7th ed.) Citation

Gray, J. C., & Gray, R. (1921). The nature and sources of the law (2nd edition.). Macmillan.

Chicago Style (17th ed.) Citation

Gray, John Chipman, and Roland Gray. The Nature and Sources of the Law. 2nd edition. New York: Macmillan, 1921.

MLA (9th ed.) Citation

Gray, John Chipman, and Roland Gray. The Nature and Sources of the Law. 2nd edition. Macmillan, 1921.

Warning: These citations may not always be 100% accurate.