APA Citatie

Spongberg, A. L., Witter, J. D., Acuña González, J., Vargas Zamora, J. A., Murillo Castro, M. M., Umaña Villalobos, G., . . . Pérez Rojas, G. (2011). Reconnaissance of selected PPCP compounds in Costa Rican surface waters.

Chicago Style citaat

Spongberg, Alison L., Jason D. Witter, Jenaro Acuña González, José A. Vargas Zamora, Manuel María Murillo Castro, Gerardo Umaña Villalobos, Eddy Gómez Ramírez, en Greivin Pérez Rojas. Reconnaissance of Selected PPCP Compounds in Costa Rican Surface Waters. 2011.

MLA citatie

Spongberg, Alison L., et al. Reconnaissance of Selected PPCP Compounds in Costa Rican Surface Waters. 2011.