APA (7th ed.) Citation

León Lacal, A., & Perez Bermúdez, M. A. La alternativa verde.

Chicago Style (17th ed.) Citation

León Lacal, Alejandro, and Miguel Angel Perez Bermúdez. La Alternativa Verde. Madrid.

MLA (9th ed.) Citation

León Lacal, Alejandro, and Miguel Angel Perez Bermúdez. La Alternativa Verde.

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