Le Carré, J., & Casas, C. (1981). El topo (4a ed.). Bruguera.
Chicago Style (17th ed.) CitationLe Carré, John, and Carlos Casas. El Topo. 4a ed. Barcelona: Bruguera, 1981.
MLA (9th ed.) CitationLe Carré, John, and Carlos Casas. El Topo. 4a ed. Bruguera, 1981.
Warning: These citations may not always be 100% accurate.