Παραπομπή APA

Beerling, D. (2008). Emerald planet: How plants changed earth's history. Oxford University Press.

Παραπομπή Chicago Style

Beerling, David. Emerald Planet: How Plants Changed Earth's History. Oxford: Oxford University Press, 2008.

Παραπομπή MLA

Beerling, David. Emerald Planet: How Plants Changed Earth's History. Oxford University Press, 2008.