Παραπομπή σε μορφή APA (7η εκδ.)

Gorke, M., & Nevers, P. (2003). The death of our planet's species: A challenge to ecology and ethics. Island Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gorke, Martin, και Patricia Nevers. The Death of Our Planet's Species: A Challenge to Ecology and Ethics. Washington: Island Press, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gorke, Martin, και Patricia Nevers. The Death of Our Planet's Species: A Challenge to Ecology and Ethics. Island Press, 2003.