APA (7th ed.) Citation

50 aǫs de labor socialista. Buenos Aires : Partido Socialista, [1946?].

Chicago Style (17th ed.) Citation

50 aǫs De Labor Socialista. Buenos Aires : Partido Socialista, [1946?].

MLA (8th ed.) Citation

50 aǫs De Labor Socialista. Buenos Aires : Partido Socialista, [1946?].

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