Smrkovsky, J., García, A., & Villanueva, M. (1977). Kontinent: 4, La libertad comunista. Unión Editorial.
Chicago Style (17th ed.) CitationSmrkovsky, Josef, A. García, and Marciano Villanueva. Kontinent: 4, La Libertad Comunista. Madrid: Unión Editorial, 1977.
MLA (9th ed.) CitationSmrkovsky, Josef, et al. Kontinent: 4, La Libertad Comunista. Unión Editorial, 1977.
Warning: These citations may not always be 100% accurate.