APA (7th ed.) Citation

Vos, R., Velasco, M., & Labiastida, E. d. (1999). Economic and social effects of "El Nino" in Ecuador, 1997-8. Institute of Social Studies.

Chicago Style (17th ed.) Citation

Vos, Rob, Margarita Velasco, and Edgar de Labiastida. Economic and Social Effects of "El Nino" in Ecuador, 1997-8. The Hague: Institute of Social Studies, 1999.

MLA (9th ed.) Citation

Vos, Rob, et al. Economic and Social Effects of "El Nino" in Ecuador, 1997-8. Institute of Social Studies, 1999.