Cita APA (7a ed.)

Engel, J. R., Westra, L., & Bosselmann, K. (2010). Democracy, ecological integrity and international law. Cambridge Scholars Pub.

Cita Chicago Style (17a ed.)

Engel, J. Ronald, Laura Westra, y Klaus Bosselmann. Democracy, Ecological Integrity and International Law. Newcastle upon Tyne, U.K.: Cambridge Scholars Pub, 2010.

Cita MLA (9a ed.)

Engel, J. Ronald, et al. Democracy, Ecological Integrity and International Law. Cambridge Scholars Pub, 2010.