APA (7th ed.) Citation

(1969). Progress of the United States Government in Scientific and Technical Communications, 1967.

Chicago Style (17th ed.) Citation

Progress of the United States Government in Scientific and Technical Communications, 1967. 1969.

MLA (9th ed.) Citation

Progress of the United States Government in Scientific and Technical Communications, 1967. 1969.

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