APA način citiranja

Protti, R., & Sojo, D. (2015). Groundwater pollution hazard map, Belen county, Heredia, Costa Rica.

Čikaški stil citiranja

Protti, Roberto, i Dennis Sojo. Groundwater Pollution Hazard Map, Belen County, Heredia, Costa Rica. 2015.

MLA način citiranja

Protti, Roberto, i Dennis Sojo. Groundwater Pollution Hazard Map, Belen County, Heredia, Costa Rica. 2015.

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