APA (7th ed.) Citation

Del Fierro, S. (1985). Energia Solar, Fuente Vital e Inagotable.

Chicago Style (17th ed.) Citation

Del Fierro, Sergio. Energia Solar, Fuente Vital E Inagotable. 1985.

MLA (9th ed.) Citation

Del Fierro, Sergio. Energia Solar, Fuente Vital E Inagotable. 1985.

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