APA (7th ed.) Citation

Digital Information Group & Fleming, M. (1991). Information industry factbook (1990/91 ed.). Digital Information Group.

Chicago Style (17th ed.) Citation

Digital Information Group and Maureen Fleming. Information Industry Factbook. 1990/91 ed. Stamford, CT: Digital Information Group, 1991.

MLA (9th ed.) Citation

Digital Information Group and Maureen Fleming. Information Industry Factbook. 1990/91 ed. Digital Information Group, 1991.

Warning: These citations may not always be 100% accurate.