APA (7th ed.) Citation

League of Nations. Council. (1929). Documents relating to the protection of minorities by the League of Nations. The League.

Chicago Style (17th ed.) Citation

League of Nations. Council. Documents Relating to the Protection of Minorities by the League of Nations. Geneva: The League, 1929.

MLA (8th ed.) Citation

League of Nations. Council. Documents Relating to the Protection of Minorities by the League of Nations. The League, 1929.