Communications for the twenty-first century :
media and messages in the information age.
APA Citation
Canada. Dept. of Communications. (1987). Communications for the twenty-first century: media and messages in the information age. [Ottawa]: Communications Canada.
MLA Citation
Canada. Dept. of Communications. Communications for the Twenty-first Century: Media And Messages In the Information Age. [Ottawa]: Communications Canada, 1987.
Warning: These citations may not always be complete (especially for serials).