Cita APA (7a ed.)

Evernden, L. L. N. (1999). The Natural Alien: Humankind and Environment (Second edition.). University of Toronto Press.

Cita Chicago Style (17a ed.)

Evernden, Lorne Leslie Neil. The Natural Alien: Humankind and Environment. Second edition. Toronto, Ontario: University of Toronto Press, 1999.

Cita MLA (8a ed.)

Evernden, Lorne Leslie Neil. The Natural Alien: Humankind and Environment. Second edition. University of Toronto Press, 1999.