Crichton, M. (1989). Esfera (1 ed.). Emece.
Chicago Style (17th ed.) CitationCrichton, Michael. Esfera. 1 ed. Buenos Aires: Emece, 1989.
MLA (9th ed.) CitationCrichton, Michael. Esfera. 1 ed. Emece, 1989.
Warning: These citations may not always be 100% accurate.