Cita APA (7a ed.)

Churchill, R. R., & Freestone, D. (1991). International law and global climate change. Graham & Trotman [etc.].

Cita Chicago Style (17a ed.)

Churchill, R. R., y David Freestone. International Law and Global Climate Change. London [etc.]: Graham & Trotman [etc.], 1991.

Cita MLA (9a ed.)

Churchill, R. R., y David Freestone. International Law and Global Climate Change. Graham & Trotman [etc.], 1991.