APA (7th ed.) Citation

National Conference of Standards Laboratories. Directory of standards laboratories in the United States. National Conference of Standards Laboratories.c.

Chicago Style (17th ed.) Citation

National Conference of Standards Laboratories. Directory of Standards Laboratories in the United States. [Washington?]: National Conference of Standards Laboratories.c.

MLA (9th ed.) Citation

National Conference of Standards Laboratories. Directory of Standards Laboratories in the United States. National Conference of Standards Laboratories.c.

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