Shaffer, P. (1990). Painting With Four Tubes of Paint A Simplified Palette for Watercolorists. Watson - Guptill.
Chicago Style (17th ed.) CitationShaffer, Phillip. Painting With Four Tubes of Paint A Simplified Palette for Watercolorists. Watson - Guptill, 1990.
MLA (8th ed.) CitationShaffer, Phillip. Painting With Four Tubes of Paint A Simplified Palette for Watercolorists. Watson - Guptill, 1990.
Warning: These citations may not always be 100% accurate.