APA

Atkins J. B., Pearman J. L., Pérez-Blair F., Geological Survey (U.S.) & Autoridad de Acueductos y Alcantarillados de Puerto Rico. (1999). Analysis of flow durations for selected streams in Puerto Rico through 1994. San Juan, P.R: U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago

Atkins J B, Pearman J L, Pérez-Blair Francisco, Geological Survey (U.S.) and Autoridad de Acueductos y Alcantarillados de Puerto Rico. 1999. Analysis of flow durations for selected streams in Puerto Rico through 1994. San Juan, P.R: U.S. Dept. of the Interior, U.S. Geological Survey.

Harvard

Atkins J. B., Pearman J. L., Pérez-Blair F., Geological Survey (U.S.) and Autoridad de Acueductos y Alcantarillados de Puerto Rico. (1999). Analysis of flow durations for selected streams in Puerto Rico through 1994. San Juan, P.R: U.S. Dept. of the Interior, U.S. Geological Survey.

MLA

Atkins J B, Pearman J L, Pérez-Blair Francisco, Geological Survey (U.S.) and Autoridad de Acueductos y Alcantarillados de Puerto Rico. Analysis of flow durations for selected streams in Puerto Rico through 1994. San Juan, P.R: U.S. Dept. of the Interior, U.S. Geological Survey. 1999.