Παραπομπή σε μορφή APA (7η εκδ.)

Arnold, D. (1996). The problem of nature: Environment, culture and European expansion. Blackwell Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Arnold, David. The Problem of Nature: Environment, Culture and European Expansion. Cambridge: Blackwell Publishers, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Arnold, David. The Problem of Nature: Environment, Culture and European Expansion. Blackwell Publishers, 1996.