Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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