APA

Hopgood, . (2011). American Foreign Environmental Policy and the Power of the State. : Oxford University PressOxford University Press.

Chicago

Hopgood, . 2011. American Foreign Environmental Policy and the Power of the State. : Oxford University PressOxford University Press.

Harvard

Hopgood, . (2011). American Foreign Environmental Policy and the Power of the State. : Oxford University PressOxford University Press.

MLA

Hopgood, . American Foreign Environmental Policy and the Power of the State. : Oxford University PressOxford University Press. 2011.