Cita APA

Valdés, C., Aranda, P., Segovia, N., López, R. N., Tamez, E., Armienta, M. A., . . . Monnin, M. (2002). Radon in soil and chemical composition of spring water near Popocatépetl volcano, Mexico.

Citación estilo Chicago

Valdés, C., et al. Radon in Soil and Chemical Composition of Spring Water Near Popocatépetl Volcano, Mexico. 2002.

Cita MLA

Valdés, C., et al. Radon in Soil and Chemical Composition of Spring Water Near Popocatépetl Volcano, Mexico. 2002.