APA Style
Perkins, Dexter, Carrion, Esther. ().
The Empire of the Czars .
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Chicago Style
Perkins, Dexter, Carrion, Esther.
The Empire of the Czars.
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,
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MLA Style
Perkins, Dexter, Carrion, Esther.
The Empire of the Czars.
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,
.
.
Turabian Style
Perkins, Dexter, Carrion, Esther.
The Empire of the Czars.
:
,
.
.