Cita APA (7a ed.)

Herrera, G. (2009). Development of symbolic play through the use of virtual reality tools in children with autistic spectrum disorders: Two case studies. [s.n.].

Cita Chicago Style (17a ed.)

Herrera, Gerardo. Development of Symbolic Play Through the Use of Virtual Reality Tools in Children with Autistic Spectrum Disorders: Two Case Studies. [S.l.]: [s.n.], 2009.

Cita MLA (9a ed.)

Herrera, Gerardo. Development of Symbolic Play Through the Use of Virtual Reality Tools in Children with Autistic Spectrum Disorders: Two Case Studies. [s.n.], 2009.