APA Style
Showers, Victor, Korner, Stephan. ().
The world in figures .
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Chicago Style
Showers, Victor, Korner, Stephan.
The world in figures.
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,
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.
MLA Style
Showers, Victor, Korner, Stephan.
The world in figures.
:
,
.
.
Turabian Style
Showers, Victor, Korner, Stephan.
The world in figures.
:
,
.
.