APA-viite (7. p.)
Steinberg, T. (2002). Down to earth: Nature's role in American history. Oxford University Press.
Chicago-viite (17. p.)
Steinberg, Theodore. Down to Earth: Nature's Role in American History. Oxford ; New York: Oxford University Press, 2002.
MLA-viite (9. p.)
Steinberg, Theodore. Down to Earth: Nature's Role in American History. Oxford University Press, 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.