APA Style

Who is Barack Obama?;;;9. (Barack>; : Roberta.>

Chicago Style

Who is Barack Obama?;;;9. ;2012;"105 p. : - ill.. : Roberta.> Barack>; 78045E+12;Grosset & Dunlap.

MLA Style

Who is Barack Obama?;;;9. ;2012;"105 p. : - ill.. : Roberta.> Barack>; 78045E+12;Grosset & Dunlap.

Turabian Style

Who is Barack Obama?;;;9. : Roberta.> Barack>; 78045E+12;Grosset & Dunlap.