APA Format
Held, Gilbert. (1995).
Dictionary of communications technology : terms, definitions and abbreviations Gilbert Held
. Chichester, England :: John Willey & Sons,.
MLA Format
Held, Gilbert.
Dictionary of communications technology : terms, definitions and abbreviations Gilbert Held
. Chichester, England :: John Willey & Sons,, 1995
Chicago Format
Held, Gilbert. Dictionary of communications technology : terms, definitions and abbreviations Gilbert Held. Chichester, England :: John Willey & Sons,, 1995.