Cita APA (7th ed.)

Punge, H. J., Punge, H. J., & Giorgetta, M. A. (2007). Differences between the QBO in the first and in the second half of the ERA-40 reanalysis. Copernicus Publications.

Cita Chicago (17th ed.)

Punge, H. J., H. J. Punge, i M. A. Giorgetta. Differences Between the QBO in the First and in the Second Half of the ERA-40 Reanalysis. Copernicus Publications, 2007.

Cita MLA (9th ed.)

Punge, H. J., et al. Differences Between the QBO in the First and in the Second Half of the ERA-40 Reanalysis. Copernicus Publications, 2007.