Citazione Stile APA (7a Edizione)
Gill, R. W. (1973). The Thames and Hudson manual of rendering with pen and ink (Rev. and enl. ed.). Thames and Hudson.
Citazione stile Chigago Style (17a edizione)
Gill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. New York: Thames and Hudson, 1973.
Citatione MLA (9a ed.)
Gill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. Thames and Hudson, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.