APA (7th ed.) Citation

National Geographic Society, Coffman, C., Fravel, L., Mernit, J., & Hortwitz, F. (2009). Energía solar: Limpia e inagotable. RBA Edipresse, National Geographic.

Chicago Style (17th ed.) Citation

National Geographic Society, Craig Coffman, Laura Fravel, John Mernit, and French Hortwitz. Energía Solar: Limpia E Inagotable. [Barcelona]: RBA Edipresse, National Geographic, 2009.

MLA (9th ed.) Citation

National Geographic Society, et al. Energía Solar: Limpia E Inagotable. RBA Edipresse, National Geographic, 2009.