APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告:這些引文格式不一定是100%准確.