APA (7th ed.) Citation

National Computing Centre, Walden, I., & Braganza, A. (1993). EDI: Audit and control. NCC Blackwell.

Chicago Style (17th ed.) Citation

National Computing Centre, Ian Walden, and A. Braganza. EDI: Audit and Control. Manchester: NCC Blackwell, 1993.

MLA (8th ed.) Citation

National Computing Centre, et al. EDI: Audit and Control. NCC Blackwell, 1993.