APA Style

Dukes, Paul, Cohen- William A.. (). The Superpowers: a short history . : .

Chicago Style

Dukes, Paul, Cohen- William A.. The Superpowers: a short history. : , . .

MLA Style

Dukes, Paul, Cohen- William A.. The Superpowers: a short history. : , . .

Turabian Style

Dukes, Paul, Cohen- William A.. The Superpowers: a short history. : , . .