APA citiranje

Calvo-Brenes, G., & Mora-Molina, J. (2012). Fecal contamination in several rivers of the Greater Metropolitan Area and the Osa Peninsula.

Citación estilo Chicago

Calvo-Brenes, Guillermo, y Jesús Mora-Molina. Fecal Contamination in Several Rivers of the Greater Metropolitan Area and the Osa Peninsula. 2012.

MLA citiranje

Calvo-Brenes, Guillermo, y Jesús Mora-Molina. Fecal Contamination in Several Rivers of the Greater Metropolitan Area and the Osa Peninsula. 2012.