APA (7th ed.) Citation

Gale Research Company & Gale Research Inc. (1981). Research services directory. Gale Research Co..

Chicago Style (17th ed.) Citation

Gale Research Company and Gale Research Inc. Research Services Directory. Detroit, Mich.: Gale Research Co., 1981.

MLA (9th ed.) Citation

Gale Research Company and Gale Research Inc. Research Services Directory. Gale Research Co., 1981.

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