APA (7th ed.) Citation

Robb, Crawford, Sands, & Bethlehem. (1999). International environmental law reports. Cambridge University Press.

Chicago Style (17th ed.) Citation

Robb, Crawford, Sands, and Bethlehem. International Environmental Law Reports. Cambridge, U.K: Cambridge University Press, 1999.

MLA (8th ed.) Citation

Robb, et al. International Environmental Law Reports. Cambridge University Press, 1999.