APA (7th ed.) Citation

League of Nations & World Peace Foundation. (1921). Publications issued by the League of Nations. [World Peace Foundation].

Chicago Style (17th ed.) Citation

League of Nations and World Peace Foundation. Publications Issued by the League of Nations. [Boston]: [World Peace Foundation], 1921.

MLA (9th ed.) Citation

League of Nations and World Peace Foundation. Publications Issued by the League of Nations. [World Peace Foundation], 1921.