APA (7th ed.) Citation
Hellin, J., & López Ridaura, S. (2016). Soil and water conservation on Central American hillsides: If more technologies is the answer, what is the question? American Institute of Mathematical Sciences.
Chicago Style (17th ed.) Citation
Hellin, Jonathan, and Santiago López Ridaura. Soil and Water Conservation on Central American Hillsides: If More Technologies Is the Answer, What Is the Question? American Institute of Mathematical Sciences, 2016.
MLA (9th ed.) Citation
Hellin, Jonathan, and Santiago López Ridaura. Soil and Water Conservation on Central American Hillsides: If More Technologies Is the Answer, What Is the Question? American Institute of Mathematical Sciences, 2016.
Warning: These citations may not always be 100% accurate.