Cita APA (7th ed.)

Geiger, K. (1963). Modulation. Verlag Technik.

Cita Chicago (17th ed.)

Geiger, Karl. Modulation. Berlin: Verlag Technik, 1963.

Cita MLA (8th ed.)

Geiger, Karl. Modulation. Verlag Technik, 1963.

Atenció: Aquestes cites poden no estar 100% correctes.