Cita APA (7th ed.)

Koether, R. T. (1995). Graphic Under - C. University of Richmond.

Cita Chicago (17th ed.)

Koether, Robb T. Graphic Under - C. Richmond: University of Richmond, 1995.

Cita MLA (9th ed.)

Koether, Robb T. Graphic Under - C. University of Richmond, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.