Citazione Stile APA (7a Edizione)

Botkin, D. B. (2000). Forces of change: A new view of nature. National Geographic Society.

Citazione stile Chigago Style (17a edizione)

Botkin, Daniel B. Forces of Change: A New View of Nature. Washington, D.C: National Geographic Society, 2000.

Citatione MLA (9a ed.)

Botkin, Daniel B. Forces of Change: A New View of Nature. National Geographic Society, 2000.