APA Style
The World in 2000. (1999).
London:
The Economist.
Chicago Style
The World in 2000.
.
London:
The Economist,
1999.
.
MLA Style
The World in 2000.
.
London:
The Economist,
1999.
.
Turabian Style
The World in 2000.
London:
The Economist,
1999.
.