APA (7th ed.) Citation

Downey, R., Boland, S., & Walsh, P. (1998). Communications technology guide for business. Artech House.

Chicago Style (17th ed.) Citation

Downey, Richard, Seán Boland, and Philip Walsh. Communications Technology Guide for Business. Boston [etc.]: Artech House, 1998.

MLA (9th ed.) Citation

Downey, Richard, et al. Communications Technology Guide for Business. Artech House, 1998.