APA (7th ed.) Citation

Lewis, D. (1984). Pencil drawing techniques. Watson-Guptill.

Chicago Style (17th ed.) Citation

Lewis, David. Pencil Drawing Techniques. New York: Watson-Guptill, 1984.

MLA (9th ed.) Citation

Lewis, David. Pencil Drawing Techniques. Watson-Guptill, 1984.

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