APA
(2004). The Artist's Complete Guide to Drawing the head. New York: Watson - Guptill.
Chicago
2004. The Artist's Complete Guide to Drawing the head. New York: Watson - Guptill.
Harvard
(2004). The Artist's Complete Guide to Drawing the head. New York: Watson - Guptill.
MLA
The Artist's Complete Guide to Drawing the head. New York: Watson - Guptill. 2004.
