APA citiranje

Piechota, T. C., Timilsena, J., Tootle, G., & Hidalgo León, H. G. (2014). The Western U.S. Drought: How Bad Is It?

Citación estilo Chicago

Piechota, Thomas C., Janak Timilsena, Glenn Tootle, y Hugo G. Hidalgo León. The Western U.S. Drought: How Bad Is It? 2014.

MLA citiranje

Piechota, Thomas C., Janak Timilsena, Glenn Tootle, y Hugo G. Hidalgo León. The Western U.S. Drought: How Bad Is It? 2014.