APA (7th ed.) Citation

Mathys, G. (2004). Magnetic fields of A-type stars. Proceedings of the International Astronomical Union, 2004(IAUS224), 225. https://doi.org/10.1017/S1743921304004600

Chicago Style (17th ed.) Citation

Mathys, G. "Magnetic Fields of A-type Stars." Proceedings of the International Astronomical Union 2004, no. IAUS224 (2004): 225. https://doi.org/10.1017/S1743921304004600.

MLA (9th ed.) Citation

Mathys, G. "Magnetic Fields of A-type Stars." Proceedings of the International Astronomical Union, vol. 2004, no. IAUS224, 2004, p. 225, https://doi.org/10.1017/S1743921304004600.