APA (7th ed.) Citation

Asimov, I., & Giralt, P. Fundación e Imperio.

Chicago Style (17th ed.) Citation

Asimov, Isaac, and Pilar Giralt. Fundación E Imperio. Bogotá.

MLA (9th ed.) Citation

Asimov, Isaac, and Pilar Giralt. Fundación E Imperio.

Warning: These citations may not always be 100% accurate.