Richardson, J. (2000). The Sorcerer's Apprentice: Picasso, Provence, and Douglas Cooper / John Richardson (2nd Printing.). Knopf.
Chicago-referens (17:e uppl.)Richardson, John. The Sorcerer's Apprentice: Picasso, Provence, and Douglas Cooper / John Richardson. 2nd Printing. New York: Knopf, 2000.
MLA-referens (8:e uppl.)Richardson, John. The Sorcerer's Apprentice: Picasso, Provence, and Douglas Cooper / John Richardson. 2nd Printing. Knopf, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.