APA (7th ed.) Citation

(1993). The Unique 3-in-1 research & development directory. Government Data Publications.

Chicago Style (17th ed.) Citation

The Unique 3-in-1 Research & Development Directory. Washington, D.C.: Government Data Publications, 1993.

MLA (9th ed.) Citation

The Unique 3-in-1 Research & Development Directory. Government Data Publications, 1993.