APA (7th ed.) Citation

National Computing Centre Limited, Triad Computing Systems, & Hardcastle, A. R. K. (1978). Trends in distributed computing systems. NCC Publications.

Chicago Style (17th ed.) Citation

National Computing Centre Limited, Triad Computing Systems, and A. R. K. Hardcastle. Trends in Distributed Computing Systems. Manchester, England: NCC Publications, 1978.

MLA (9th ed.) Citation

National Computing Centre Limited, et al. Trends in Distributed Computing Systems. NCC Publications, 1978.