Boerboom, P., & Proetel, T. (2017). Drawing perspective methods for artists: 85 methods for creating spatial illusion in art (1st edition.). Rockport Publishers.
Chicago Style (17th ed.) CitationBoerboom, Peter, and Tim Proetel. Drawing Perspective Methods for Artists: 85 Methods for Creating Spatial Illusion in Art. 1st edition. Beverly, Mass.: Rockport Publishers, 2017.
MLA (9th ed.) CitationBoerboom, Peter, and Tim Proetel. Drawing Perspective Methods for Artists: 85 Methods for Creating Spatial Illusion in Art. 1st edition. Rockport Publishers, 2017.
Warning: These citations may not always be 100% accurate.