APA citiranje

Bravo Chacón, J. (1981). Contamination by waste from the Cañas riverbed.

Citación estilo Chicago

Bravo Chacón, Juan. Contamination By Waste From the Cañas Riverbed. 1981.

MLA citiranje

Bravo Chacón, Juan. Contamination By Waste From the Cañas Riverbed. 1981.