APA
League of Nations, . (1927). League of Nations and the protection of minorities of race, language and religion. Geneva: League of Nations.
Chicago
League of Nations, . 1927. League of Nations and the protection of minorities of race, language and religion. Geneva: League of Nations.
Harvard
League of Nations, . (1927). League of Nations and the protection of minorities of race, language and religion. Geneva: League of Nations.
MLA
League of Nations, . League of Nations and the protection of minorities of race, language and religion. Geneva: League of Nations. 1927.