APA (7th ed.) Citation

Asimov, I. (1994). Fronteras II (1a. ed.). B.

Chicago Style (17th ed.) Citation

Asimov, Isaac. Fronteras II. 1a. ed. Barcelona: B, 1994.

MLA (9th ed.) Citation

Asimov, Isaac. Fronteras II. 1a. ed. B, 1994.