APA-viite

May, J. R., & Daly, E. (2016). Environmental constitutionalism ( Vol.1). Elgar Research Foundation.

Chicago-tyylinen lähdeviittaus

May, James R., ja Erin Daly. Environmental Constitutionalism ( Vol.1). Cheltenham: Elgar Research Foundation, 2016.

MLA-viite

May, James R., ja Erin Daly. Environmental Constitutionalism ( Vol.1). Elgar Research Foundation, 2016.