Cita APA (7a ed.)

Lacalle, D., & Parrilla, D. (2015). The energy world is flat: Opportunities from the end of peak oil. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Lacalle, Daniel, y Diego Parrilla. The Energy World Is Flat: Opportunities from the End of Peak Oil. Chichester, West Sussex, United Kingdom: John Wiley & Sons, 2015.

Cita MLA (8a ed.)

Lacalle, Daniel, y Diego Parrilla. The Energy World Is Flat: Opportunities from the End of Peak Oil. John Wiley & Sons, 2015.