Cita APA (7th ed.)

Sands, P., Peel, J., Fabra, A., & MacKenzie, R. (2012). Principles of International Environmental Law (3a. ed.). Cambridge University Press.

Cita Chicago (17th ed.)

Sands, Philippe, Jacqueline Peel, Adriana Fabra, i Ruth MacKenzie. Principles of International Environmental Law. 3a. ed. Cambridge: Cambridge University Press, 2012.

Cita MLA (9th ed.)

Sands, Philippe, et al. Principles of International Environmental Law. 3a. ed. Cambridge University Press, 2012.