Cita APA (7a ed.)

Mueller, D. H., & Ballhaus, V. (2012). David's world: A picture book about living with autism. Skyhorse Pub..

Cita Chicago Style (17a ed.)

Mueller, Dagmar H., y Verena Ballhaus. David's World: A Picture Book About Living with Autism. New York: Skyhorse Pub., 2012.

Cita MLA (8a ed.)

Mueller, Dagmar H., y Verena Ballhaus. David's World: A Picture Book About Living with Autism. Skyhorse Pub., 2012.

Precaución: Estas citas no son 100% exactas.