APA (7th ed.) Citation

Crichton, M. (1989). Esfera (1 ed.). Emece.

Chicago Style (17th ed.) Citation

Crichton, Michael. Esfera. 1 ed. Buenos Aires: Emece, 1989.

MLA (9th ed.) Citation

Crichton, Michael. Esfera. 1 ed. Emece, 1989.