APA (7th ed.) Citation

Berlin, I., Rivero, Á., Harris, I., & Hardy, H. (2004). Sobre la libertad. Alianza Editorial.

Chicago Style (17th ed.) Citation

Berlin, Isaiah, Ángel Rivero, Ian Harris, and Henry Hardy. Sobre La Libertad. Madrid: Alianza Editorial, 2004.

MLA (9th ed.) Citation

Berlin, Isaiah, et al. Sobre La Libertad. Alianza Editorial, 2004.