APA Citatie

Alfonso, P., Martínez Cruz, M., Canet, C., Delgado, H., Fernández, E., & Sáenz, W. (2015). Sulphur isotopic composition of volcanic gases from Poás and Turrialba volcanoes, Costa Rica.

Chicago Style citaat

Alfonso, P., María Martínez Cruz, C. Canet, H. Delgado, Erick Fernández, en Wendy Sáenz. Sulphur Isotopic Composition of Volcanic Gases From Poás and Turrialba Volcanoes, Costa Rica. 2015.

MLA citatie

Alfonso, P., et al. Sulphur Isotopic Composition of Volcanic Gases From Poás and Turrialba Volcanoes, Costa Rica. 2015.