Citazione Stile APA (7a Edizione)

Schaeffer, S. A., & Shaw, J. (1993). The big book of painting nature in pastel. Watson-Guptill Publications.

Citazione stile Chigago Style (17a edizione)

Schaeffer, S. Allyn, e John Shaw. The Big Book of Painting Nature in Pastel. New York: Watson-Guptill Publications, 1993.

Citatione MLA (9a ed.)

Schaeffer, S. Allyn, e John Shaw. The Big Book of Painting Nature in Pastel. Watson-Guptill Publications, 1993.