APA Style
Dukes, Paul, Sewell, Carl. ().
The Superpowers: a short history .
:
.
Chicago Style
Dukes, Paul, Sewell, Carl.
The Superpowers: a short history.
:
,
.
.
MLA Style
Dukes, Paul, Sewell, Carl.
The Superpowers: a short history.
:
,
.
.
Turabian Style
Dukes, Paul, Sewell, Carl.
The Superpowers: a short history.
:
,
.
.