Cita APA (7th ed.)

Worobiec, T., & Spence, R. (2005). Digital photo artist. Page One.

Cita Chicago (17th ed.)

Worobiec, Tony, i Ray Spence. Digital Photo Artist. Singapore: Page One, 2005.

Cita MLA (9th ed.)

Worobiec, Tony, i Ray Spence. Digital Photo Artist. Page One, 2005.