APA Style

Grimes, N., Collier, B. (2008). Barack Obama : son of promise, child of hope . New York, USA: Simon & Schuster Books for Young Readers.

MLA Style

Grimes, Nikki., Collier, Bryan. "Barack Obama : son of promise, child of hope". New York, USA: Simon & Schuster Books for Young Readers, 2008. Text.