APA-viite (7. p.)
Hoffecker, J. F. (2005). A prehistory of the north: Human settlement of the higher latitudes. Rutgers University Press.
Chicago-viite (17. p.)
Hoffecker, John F. A Prehistory of the North: Human Settlement of the Higher Latitudes. New Brunswick, N.J. ; London: Rutgers University Press, 2005.
MLA-viite (9. p.)
Hoffecker, John F. A Prehistory of the North: Human Settlement of the Higher Latitudes. Rutgers University Press, 2005.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.