APA (7th ed.) Citation

Humphreys, M. (2011). Sustainability in European transport policy. Routledge.

Chicago Style (17th ed.) Citation

Humphreys, Matthew. Sustainability in European Transport Policy. London: Routledge, 2011.

MLA (9th ed.) Citation

Humphreys, Matthew. Sustainability in European Transport Policy. Routledge, 2011.

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