APA (7th ed.) Citation

Mezcua, J., & Udías Vallina, A. (1991). Seismicity, seismotectonics and seismic risk of the Ibero-Maghrebian Region. Instituto Geográfico Nacional.

Chicago Style (17th ed.) Citation

Mezcua, Julio, and Agustín Udías Vallina. Seismicity, Seismotectonics and Seismic Risk of the Ibero-Maghrebian Region. Madrid: Instituto Geográfico Nacional, 1991.

MLA (9th ed.) Citation

Mezcua, Julio, and Agustín Udías Vallina. Seismicity, Seismotectonics and Seismic Risk of the Ibero-Maghrebian Region. Instituto Geográfico Nacional, 1991.

Warning: These citations may not always be 100% accurate.