APA Citatie

Herrera, J., Rojas, J. F., Beita, V. H., Rodríguez, A., Solórzano, D., & Argüello, H. (2014). Concentration and chemical composition of PM10 particles in the metropolitan area of ​​Costa Rica in 2012.

Chicago Style citaat

Herrera, Jorge, José F. Rojas, Víctor H. Beita, Agustín Rodríguez, David Solórzano, en Hazel Argüello. Concentration and Chemical Composition of PM10 Particles in the Metropolitan Area of ​​Costa Rica in 2012. 2014.

MLA citatie

Herrera, Jorge, et al. Concentration and Chemical Composition of PM10 Particles in the Metropolitan Area of ​​Costa Rica in 2012. 2014.