Cita APA (7th ed.)

Picard, A. (2013). Essential techniques for pastel portraits. Northlight Media F+W Media.

Cita Chicago (17th ed.)

Picard, Alain. Essential Techniques for Pastel Portraits. [Cincinnati, Ohio]: Northlight Media F+W Media, 2013.

Cita MLA (9th ed.)

Picard, Alain. Essential Techniques for Pastel Portraits. Northlight Media F+W Media, 2013.