Cita APA (7a ed.)

Cornwell, N., & Littlewood, K. (2006). Christophe's story. Pearson Education.

Cita Chicago Style (17a ed.)

Cornwell, Nicki, y Karin Littlewood. Christophe's Story. Edinburgh Gate Essex: Pearson Education, 2006.

Cita MLA (9a ed.)

Cornwell, Nicki, y Karin Littlewood. Christophe's Story. Pearson Education, 2006.