APA (7th ed.) Citation

Unión Sindical Obrera. Madrid : USO, [1978].

Chicago Style (17th ed.) Citation

Unión Sindical Obrera. Madrid : USO, [1978].

MLA (8th ed.) Citation

Unión Sindical Obrera. Madrid : USO, [1978].

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