Leon, T., Emma, G., & Petr, K. La libertad. Teruel: El Sembrador.
Chicago Style (17th ed.) CitationLeon, Tolstoi, Goldman Emma, and Kropotkin Petr. La Libertad. Teruel: El Sembrador.
MLA (8th ed.) CitationLeon, Tolstoi, et al. La Libertad. Teruel: El Sembrador.
Warning: These citations may not always be 100% accurate.