APA (7th ed.) Citation

Storch, R. A. (1974). Introduction to telephone engineering (2nd ed.). Siemens Aktiengesellschaft.

Chicago Style (17th ed.) Citation

Storch, Rudolf A. Introduction to Telephone Engineering. 2nd ed. Berlin: Siemens Aktiengesellschaft, 1974.

MLA (8th ed.) Citation

Storch, Rudolf A. Introduction to Telephone Engineering. 2nd ed. Siemens Aktiengesellschaft, 1974.