APA (7th ed.) Citation

USA, National Bureau of Standards, & American Society for Testing and Materials. (1968). National Bureau of Standards special publication. US Gov.Print.Off.

Chicago Style (17th ed.) Citation

USA, National Bureau of Standards, and American Society for Testing and Materials. National Bureau of Standards Special Publication. Washington, DC: US Gov.Print.Off, 1968.

MLA (9th ed.) Citation

USA, National Bureau of Standards, and American Society for Testing and Materials. National Bureau of Standards Special Publication. US Gov.Print.Off, 1968.

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