Cita APA (7a ed.)

Redford, A., & Simpson, K. (2016). The boy who built a wall around himself. Jessica Kingsley Publishers.

Cita Chicago Style (17a ed.)

Redford, Ali, y Kara Simpson. The Boy Who Built a Wall Around Himself. London, England ; Philadelphia, Pennsylvania: Jessica Kingsley Publishers, 2016.

Cita MLA (9a ed.)

Redford, Ali, y Kara Simpson. The Boy Who Built a Wall Around Himself. Jessica Kingsley Publishers, 2016.