Cita APA (7th ed.)
Schmid, C. F., & Schmid, S. E. (1974). Handbook of graphic presentation. Wiley.
Cita Chicago (17th ed.)
Schmid, Calvin Fisher, i Stanton E. Schmid. Handbook of Graphic Presentation. New York: Wiley, 1974.
Cita MLA (9th ed.)
Schmid, Calvin Fisher, i Stanton E. Schmid. Handbook of Graphic Presentation. Wiley, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.