APA (7th ed.) Citation

Lyra, W., & Mello, G. F. P. d. (2005). Fine structure of the chromospheric activity in Solar-type stars – The Hα line. Astronomy and astrophysics (Berlin), 431(1), 329-338. https://doi.org/10.1051/0004-6361:20040249

Chicago Style (17th ed.) Citation

Lyra, W., and G. F. Porto de Mello. "Fine Structure of the Chromospheric Activity in Solar-type Stars – The Hα Line." Astronomy and Astrophysics (Berlin) 431, no. 1 (2005): 329-338. https://doi.org/10.1051/0004-6361:20040249.

MLA (9th ed.) Citation

Lyra, W., and G. F. Porto de Mello. "Fine Structure of the Chromospheric Activity in Solar-type Stars – The Hα Line." Astronomy and Astrophysics (Berlin), vol. 431, no. 1, 2005, pp. 329-338, https://doi.org/10.1051/0004-6361:20040249.