APA (7th ed.) Citation

Beltrán Beltrán, L. C., & Ávila, A. (2017). Preliminares.

Chicago Style (17th ed.) Citation

Beltrán Beltrán, Lina Constanza, and Andrés Ávila. Preliminares. 2017.

MLA (8th ed.) Citation

Beltrán Beltrán, Lina Constanza, and Andrés Ávila. Preliminares. 2017.

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