APA (7th ed.) Citation

Royal Society (Great Britain), Davies, D. E. N., Hilsum, C., & Rudge, A. W. (1993). Communications after AD2000. Chapman & Hall.

Chicago Style (17th ed.) Citation

Royal Society (Great Britain), D. E. N. Davies, Cyril Hilsum, and Alan W. Rudge. Communications After AD2000. London: Chapman & Hall, 1993.

MLA (9th ed.) Citation

Royal Society (Great Britain), et al. Communications After AD2000. Chapman & Hall, 1993.