APA (7th ed.) Citation

Gale Research Inc & Thomson Gale (Firm). (1991). Information industry directory. Gale Research.

Chicago Style (17th ed.) Citation

Gale Research Inc and Thomson Gale (Firm). Information Industry Directory. Detroit, MI: Gale Research, 1991.

MLA (9th ed.) Citation

Gale Research Inc and Thomson Gale (Firm). Information Industry Directory. Gale Research, 1991.

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