APA-referens (7:e uppl.)
DeFries, R. S., & Brown, P. (2014). The big ratchet: How humanity thrives in the face of natural crisis : a biography of an ingenious species. Basic Books.
Chicago-referens (17:e uppl.)
DeFries, Ruth S., och Pauline Brown. The Big Ratchet: How Humanity Thrives in the Face of Natural Crisis : A Biography of an Ingenious Species. New York: Basic Books, 2014.
MLA-referens (9:e uppl.)
DeFries, Ruth S., och Pauline Brown. The Big Ratchet: How Humanity Thrives in the Face of Natural Crisis : A Biography of an Ingenious Species. Basic Books, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.