APA Style
Dukes, Paul, Smith, W. Harry. ().
The Superpowers: a short history .
:
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Chicago Style
Dukes, Paul, Smith, W. Harry.
The Superpowers: a short history.
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,
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.
MLA Style
Dukes, Paul, Smith, W. Harry.
The Superpowers: a short history.
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,
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.
Turabian Style
Dukes, Paul, Smith, W. Harry.
The Superpowers: a short history.
:
,
.
.