APA (7th ed.) Citation

Government Data Publications (Firm). (1983). Government research & development contractors directory. Government Data Publications.

Chicago Style (17th ed.) Citation

Government Data Publications (Firm). Government Research & Development Contractors Directory. Washington: Government Data Publications, 1983.

MLA (9th ed.) Citation

Government Data Publications (Firm). Government Research & Development Contractors Directory. Government Data Publications, 1983.

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