APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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