APA (7th ed.) Citation

Geological Survey (U.S.) & Coplen, T. B. (2012). Determination of the [delta]¹⁵ N of Nitrate in water: RSIL Lab Code 2899 (Version 1.1, 2012.). U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Tyler B. Coplen. Determination of the [delta]¹⁵ N of Nitrate in Water: RSIL Lab Code 2899. Version 1.1, 2012. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Tyler B. Coplen. Determination of the [delta]¹⁵ N of Nitrate in Water: RSIL Lab Code 2899. Version 1.1, 2012. U.S. Dept. of the Interior, U.S. Geological Survey, 2012.