APA aipamena

Guzmán-Arias, I., & Calvo-Alvarado, J. C. (2012). Water resources of the Upper Tempisque River Watershed, Costa Rica (Technical note).

Chicago Style aipamena

Guzmán-Arias, Isabel, y Julio César Calvo-Alvarado. Water Resources of the Upper Tempisque River Watershed, Costa Rica (Technical Note). 2012.

MLA aipamena

Guzmán-Arias, Isabel, y Julio César Calvo-Alvarado. Water Resources of the Upper Tempisque River Watershed, Costa Rica (Technical Note). 2012.