Revesz, K. M., Qi, H., & Coplen, T. B. (2012). Determination of the [delta]¹⁵N and [delta]¹³C of total nitrogen and carbon in solids, RSIL lab code 1832 (Version 1.2, 2012.). U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationRevesz, Kinga M., Haiping Qi, and Tyler B. Coplen. Determination of the [delta]¹⁵N and [delta]¹³C of Total Nitrogen and Carbon in Solids, RSIL Lab Code 1832. Version 1.2, 2012. Reston, Virginia.: U.S. Dept. of the Interior, U.S. Geological Survey, 2012.
MLA (9th ed.) CitationRevesz, Kinga M., et al. Determination of the [delta]¹⁵N and [delta]¹³C of Total Nitrogen and Carbon in Solids, RSIL Lab Code 1832. Version 1.2, 2012. U.S. Dept. of the Interior, U.S. Geological Survey, 2012.
Warning: These citations may not always be 100% accurate.