APA (7th ed.) Citation

DANIELSON & WALKER. (1979). Telecommunications system for technicians I. Butterworth.

Chicago Style (17th ed.) Citation

DANIELSON and WALKER. Telecommunications System for Technicians I. London: Butterworth, 1979.

MLA (8th ed.) Citation

DANIELSON and WALKER. Telecommunications System for Technicians I. Butterworth, 1979.

Warning: These citations may not always be 100% accurate.