Cita APA (7th ed.)

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.