APA (7th ed.) Citation

Gale Research Inc & Gale Group. (1990). Gale directory of publications and broadcast media. Gale Research.

Chicago Style (17th ed.) Citation

Gale Research Inc and Gale Group. Gale Directory of Publications and Broadcast Media. Detroit, Mich.: Gale Research, 1990.

MLA (8th ed.) Citation

Gale Research Inc and Gale Group. Gale Directory of Publications and Broadcast Media. Gale Research, 1990.