Cita APA (7a ed.)

Trautmann, K. (1967). Design of Automatic Telephone Exchanges: Vol. 1. Circuit Units and Functions. Siemens.

Cita Chicago Style (17a ed.)

Trautmann, Kurt. Design of Automatic Telephone Exchanges: Vol. 1. Circuit Units and Functions. Berlin: Siemens, 1967.

Cita MLA (9a ed.)

Trautmann, Kurt. Design of Automatic Telephone Exchanges: Vol. 1. Circuit Units and Functions. Siemens, 1967.