Cita APA (7a ed.)

Northrup, C., & Northrup, T. (2016). Photoshop CC essentials for photographers. Mason Press.

Cita Chicago Style (17a ed.)

Northrup, Chelsea, y Tony Northrup. Photoshop CC Essentials for Photographers. Waterford, CT: Mason Press, 2016.

Cita MLA (9a ed.)

Northrup, Chelsea, y Tony Northrup. Photoshop CC Essentials for Photographers. Mason Press, 2016.