APA (7th ed.) Citation

Ball. (1989). Soviet signals intelligence (SIGINT). Australian National University.

Chicago Style (17th ed.) Citation

Ball. Soviet Signals Intelligence (SIGINT). Canberra: Australian National University, 1989.

MLA (8th ed.) Citation

Ball. Soviet Signals Intelligence (SIGINT). Australian National University, 1989.

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