APA (7th ed.) Citation

American Society for Testing and Materials & American Society for Testing Materials. (1963). Directory of testing laboratories, commercial-institutional. American Society for Testing and Materials.

Chicago Style (17th ed.) Citation

American Society for Testing and Materials and American Society for Testing Materials. Directory of Testing Laboratories, Commercial-institutional. Philadelphia: American Society for Testing and Materials, 1963.

MLA (8th ed.) Citation

American Society for Testing and Materials and American Society for Testing Materials. Directory of Testing Laboratories, Commercial-institutional. American Society for Testing and Materials, 1963.