APA (7th ed.) Citation

Goldman, K. How to draw and paint portraits in pastel. Walter Foster Publishing.

Chicago Style (17th ed.) Citation

Goldman, Ken. How to Draw and Paint Portraits in Pastel. Walter Foster Publishing.

MLA (8th ed.) Citation

Goldman, Ken. How to Draw and Paint Portraits in Pastel. Walter Foster Publishing.

Warning: These citations may not always be 100% accurate.