Mather, T., Pyle, D., & Allen, A. (2004). Volcanic source for fixed nitrogen in the early Earth's atmosphere.
Cita Chicago (17th ed.)Mather, T., D. Pyle, i A. Allen. Volcanic Source for Fixed Nitrogen in the Early Earth's Atmosphere. 2004.
Cita MLA (9th ed.)Mather, T., et al. Volcanic Source for Fixed Nitrogen in the Early Earth's Atmosphere. 2004.
Atenció: Aquestes cites poden no estar 100% correctes.