APA (7th ed.) Citation

Schubert, W. (1976). Communications cables and transmission systems. Siemens.

Chicago Style (17th ed.) Citation

Schubert, Werner. Communications Cables and Transmission Systems. Berlín: Siemens, 1976.

MLA (9th ed.) Citation

Schubert, Werner. Communications Cables and Transmission Systems. Siemens, 1976.