APA Style
Smith, Laurence C.. (2011).
The World in 2050: Four Forces Shaping Civilization's Northern Future .
New York:
Penguin Group.
Chicago Style
Smith, Laurence C..
The World in 2050: Four Forces Shaping Civilization's Northern Future.
New York:
Penguin Group,
2011.
Text.
MLA Style
Smith, Laurence C..
The World in 2050: Four Forces Shaping Civilization's Northern Future.
New York:
Penguin Group,
2011.
Text.
Turabian Style
Smith, Laurence C..
The World in 2050: Four Forces Shaping Civilization's Northern Future.
New York:
Penguin Group,
2011.
Print.