APA (7th ed.) Citation

Sousa, P. M., Trigo, R. M., Aizpurua, P., Nieto, R., Gimeno, L., & Garcia-Herrera, R. (2011). Trends and extremes of drought indices throughout the 20th century in the Mediterranean. Natural Hazards and Earth System Sciences, 11(1), 33.

Chicago Style (17th ed.) Citation

Sousa, P. M., R. M. Trigo, P. Aizpurua, R. Nieto, L. Gimeno, and R. Garcia-Herrera. "Trends and Extremes of Drought Indices Throughout the 20th Century in the Mediterranean." Natural Hazards and Earth System Sciences 11, no. 1 (2011): 33.

MLA (9th ed.) Citation

Sousa, P. M., et al. "Trends and Extremes of Drought Indices Throughout the 20th Century in the Mediterranean." Natural Hazards and Earth System Sciences, vol. 11, no. 1, 2011, p. 33.