Cita APA (7a ed.)

Jones, J. A. A., & Scarpati, O. E. Water resources issues in South America. GeoJournal., Vol. 70 No. 4 (2007),227-231 70, .

Cita Chicago Style (17a ed.)

Jones, J. A. A., y Olga Eugenia Scarpati. "Water Resources Issues in South America." GeoJournal. Vol. 70 No. 4 (2007),227-231 70 ().

Cita MLA (9a ed.)

Jones, J. A. A., y Olga Eugenia Scarpati. "Water Resources Issues in South America." GeoJournal., vol. Vol. 70 No. 4 (2007),227-231 70, .