APA (7th ed.) Citation

Webster J., C., & Gutierrez, E. (2014). Energìa.

Chicago Style (17th ed.) Citation

Webster J., Celia, and Efraín Gutierrez. Energìa. 2014.

MLA (8th ed.) Citation

Webster J., Celia, and Efraín Gutierrez. Energìa. 2014.

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