Cita APA (7a ed.)

Gillberg, C. (2006). A guide to asperger syndrome (4th print.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Gillberg, Christopher. A Guide to Asperger Syndrome. 4th print. Cambridge [etc.]: Cambridge University Press, 2006.

Cita MLA (9a ed.)

Gillberg, Christopher. A Guide to Asperger Syndrome. 4th print. Cambridge University Press, 2006.