Cita APA (7th ed.)
Gill, R. W. (1973). The Thames and Hudson manual of rendering with pen and ink (Rev. and enl. ed.). Thames and Hudson.
Cita Chicago (17th ed.)
Gill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. New York: Thames and Hudson, 1973.
Cita MLA (9th ed.)
Gill, Robert W. The Thames and Hudson Manual of Rendering with Pen and Ink. Rev. and enl. ed. Thames and Hudson, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.