APA (7th ed.) Citation

José EUGENIO ORTIZ & Trinidad DE TORRES. (2014). Virtual help to the learning of Geology in the Madrid School of Mines and Energy. Ediciones Universidad de Salamanca.

Chicago Style (17th ed.) Citation

José EUGENIO ORTIZ and Trinidad DE TORRES. Virtual Help to the Learning of Geology in the Madrid School of Mines and Energy. Ediciones Universidad de Salamanca, 2014.

MLA (9th ed.) Citation

José EUGENIO ORTIZ and Trinidad DE TORRES. Virtual Help to the Learning of Geology in the Madrid School of Mines and Energy. Ediciones Universidad de Salamanca, 2014.

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