APA (7th ed.) Citation

Hickman, R., Banister, D., & Penn, A. (2009). Low carbon transport challenges ahead. University College London.

Chicago Style (17th ed.) Citation

Hickman, R., D. Banister, and A. Penn. Low Carbon Transport Challenges Ahead. University College London, 2009.

MLA (9th ed.) Citation

Hickman, R., et al. Low Carbon Transport Challenges Ahead. University College London, 2009.