Cita APA (7th ed.)

Seviour, W., Mitchell, D., & Gray, L. (2013). A practical method to identify displaced and split stratospheric polar vortex events.

Cita Chicago (17th ed.)

Seviour, W., D. Mitchell, i L. Gray. A Practical Method to Identify Displaced and Split Stratospheric Polar Vortex Events. 2013.

Cita MLA (9th ed.)

Seviour, W., et al. A Practical Method to Identify Displaced and Split Stratospheric Polar Vortex Events. 2013.

Atenció: Aquestes cites poden no estar 100% correctes.