APA (7th ed.) Citation

Lawrence, T. J., & Winfield, P. H. (1925). The principles of international law (7th ed.). Macmillan.

Chicago Style (17th ed.) Citation

Lawrence, T. J., and P. H. Winfield. The Principles of International Law. 7th ed. London: Macmillan, 1925.

MLA (8th ed.) Citation

Lawrence, T. J., and P. H. Winfield. The Principles of International Law. 7th ed. Macmillan, 1925.