APA (7th ed.) Citation

Lewis, D. (1983). Watercolor painting techniques. Watson-Guptill Publications.

Chicago Style (17th ed.) Citation

Lewis, David. Watercolor Painting Techniques. New York: Watson-Guptill Publications, 1983.

MLA (9th ed.) Citation

Lewis, David. Watercolor Painting Techniques. Watson-Guptill Publications, 1983.