APA

(1994). Effects of changing irrigation practices on the ground-water hydrology of the Santa Isabel-Juana Diaz area, south central Puerto Rico. San Juan, PR: U.S. Dept of the Interior, U.S. Geological Survey.

Chicago

1994. Effects of changing irrigation practices on the ground-water hydrology of the Santa Isabel-Juana Diaz area, south central Puerto Rico. San Juan, PR: U.S. Dept of the Interior, U.S. Geological Survey.

Harvard

(1994). Effects of changing irrigation practices on the ground-water hydrology of the Santa Isabel-Juana Diaz area, south central Puerto Rico. San Juan, PR: U.S. Dept of the Interior, U.S. Geological Survey.

MLA

Effects of changing irrigation practices on the ground-water hydrology of the Santa Isabel-Juana Diaz area, south central Puerto Rico. San Juan, PR: U.S. Dept of the Interior, U.S. Geological Survey. 1994.