Isotopic abundance ratios reported for reference samples stocked by the National Bureau of Standards

Chicago citation style
United States. National Bureau of Standards. Isotopic abundance ratios reported for reference samples stocked by the National Bureau of Standards. 1960. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011419860. (Accessed September 25, 2018.)
APA citation style
United States. National Bureau of Standards, (1960) Isotopic abundance ratios reported for reference samples stocked by the National Bureau of Standards. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011419860
MLA citation style
United States. National Bureau of Standards. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011419860>.
Note: These citations are programmatically generated and may be incomplete.