Cita APA (7a ed.)

Sorg, E. (2017). Beginning colored pencil: Tips and techniques for learning to draw in colored pencil. Walter Foster Publishing.

Cita Chicago Style (17a ed.)

Sorg, Eileen. Beginning Colored Pencil: Tips and Techniques for Learning to Draw in Colored Pencil. Lake Forest, CA: Walter Foster Publishing, 2017.

Cita MLA (8a ed.)

Sorg, Eileen. Beginning Colored Pencil: Tips and Techniques for Learning to Draw in Colored Pencil. Walter Foster Publishing, 2017.