APA (7th ed.) Citation

Orwig, C., & Pérez Ferreira, A. M. (2010). Adobe photoshop CS4: Técnicas esenciales. McGraw-Hill.

Chicago Style (17th ed.) Citation

Orwig, Chris, and Ana María Pérez Ferreira. Adobe Photoshop CS4: Técnicas Esenciales. México: McGraw-Hill, 2010.

MLA (9th ed.) Citation

Orwig, Chris, and Ana María Pérez Ferreira. Adobe Photoshop CS4: Técnicas Esenciales. McGraw-Hill, 2010.

Warning: These citations may not always be 100% accurate.