Cita APA

Jones, J. A. A., & Scarpati, O. E. (2007). Water resources issues in South America. Web

Citación estilo Chicago

Jones, J. A. A., and Olga Eugenia Scarpati. Water Resources Issues in South America. 2007.

Cita MLA

Jones, J. A. A., and Olga Eugenia Scarpati. Water Resources Issues in South America. 2007.