Cita APA (7a ed.)

Kelby Training, Inc, & Cross, D. (2010). Fixing photographic problems with Adobe Photoshop. Kelby Training.

Cita Chicago Style (17a ed.)

Kelby Training, Inc, y Dave Cross. Fixing Photographic Problems with Adobe Photoshop. [Place of publication not identified]: Kelby Training, 2010.

Cita MLA (8a ed.)

Kelby Training, Inc, y Dave Cross. Fixing Photographic Problems with Adobe Photoshop. Kelby Training, 2010.