Cita APA (7a ed.)

Herdeg, W. (1979). Graphis diagrams: The graphic visualization of abstract data (3a. ed.). The Graphis Press.

Cita Chicago Style (17a ed.)

Herdeg, Walter. Graphis Diagrams: The Graphic Visualization of Abstract Data. 3a. ed. Zurich: The Graphis Press, 1979.

Cita MLA (9a ed.)

Herdeg, Walter. Graphis Diagrams: The Graphic Visualization of Abstract Data. 3a. ed. The Graphis Press, 1979.