APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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