एपीए उद्धरण

Herrera, J., Rodríguez, S., Rojas, J. F., Herrera, É., & Chaves, M. (2013). Temporal and spatial variation in the quality of surface water in the subwatershed of the Virilla river (Costa Rica) between 2006 and 2010.

शिकागो स्टाइल उद्धरण

Herrera, Jorge, Susana Rodríguez, José F. Rojas, Éricka Herrera, और María Chaves. Temporal and Spatial Variation in the Quality of Surface Water in the Subwatershed of the Virilla River (Costa Rica) between 2006 and 2010. 2013.

एमएलए उद्धरण

Herrera, Jorge, et al. Temporal and Spatial Variation in the Quality of Surface Water in the Subwatershed of the Virilla River (Costa Rica) between 2006 and 2010. 2013.