Gill, R. W. (2007). Rendering with pen and ink (Rev. ed.). Thames and Hudson.
Cita Chicago Style (17a ed.)Gill, Robert W. Rendering with Pen and Ink. Rev. ed. New York: Thames and Hudson, 2007.
Cita MLA (8a ed.)Gill, Robert W. Rendering with Pen and Ink. Rev. ed. Thames and Hudson, 2007.
Precaución: Estas citas no son 100% exactas.