APA-referens

William Ruddiman. (2008). Earth's Climate: Past and Future. W.H.Freeman.

Chicago-stil citat

William Ruddiman. Earth's Climate: Past and Future. W.H.Freeman, 2008.

MLA-referens

William Ruddiman. Earth's Climate: Past and Future. W.H.Freeman, 2008.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.