Cita APA

Ruggieri, F., Saavedra, J., Fernandez-Turiel, J. L., Gimeno, D., & García-Vallés, M. (2010). Environmental geochemistry of ancient volcanic ashes.

Citación estilo Chicago

Ruggieri, F., J. Saavedra, J. L. Fernandez-Turiel, D. Gimeno, y M. García-Vallés. Environmental Geochemistry of Ancient Volcanic Ashes. 2010.

Cita MLA

Ruggieri, F., et al. Environmental Geochemistry of Ancient Volcanic Ashes. 2010.