APA (7th ed.) Citation

Austin, S. H., Wolock, D. M., & Nelms, D. L. (2018). Variability of hydrological droughts in the conterminous United States, 1951 through 2014. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Austin, Samuel H., David M. Wolock, and David L. Nelms. Variability of Hydrological Droughts in the Conterminous United States, 1951 Through 2014. Reston, Virginia: U.S. Geological Survey, 2018.

MLA (9th ed.) Citation

Austin, Samuel H., et al. Variability of Hydrological Droughts in the Conterminous United States, 1951 Through 2014. U.S. Geological Survey, 2018.