APA (7th ed.) Citation

(1989). Ward's business directory of U.S. private and public companies. Gale Research Inc..

Chicago Style (17th ed.) Citation

Ward's Business Directory of U.S. Private and Public Companies. Detroit: Gale Research Inc., 1989.

MLA (9th ed.) Citation

Ward's Business Directory of U.S. Private and Public Companies. Gale Research Inc., 1989.

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