APA (7th ed.) Citation

Aguilera, R., Ripple, R., & Filho. (2013). The Availability of European Oil and Gas Resources. Springer.

Chicago Style (17th ed.) Citation

Aguilera, R., Ronald Ripple, and Filho. The Availability of European Oil and Gas Resources. Springer, 2013.

MLA (9th ed.) Citation

Aguilera, R., et al. The Availability of European Oil and Gas Resources. Springer, 2013.