Cita APA (7a ed.)

Alonso, M., López-García, Z., Malaroda, S., & Leone, F. (2003). Elemental abundance studies of CP stars. The helium-weak stars HD 19400, HD 34797 and HD 35456.

Cita Chicago Style (17a ed.)

Alonso, M.S, Z. López-García, S. Malaroda, y F. Leone. Elemental Abundance Studies of CP Stars. The Helium-weak Stars HD 19400, HD 34797 and HD 35456. 2003.

Cita MLA (8a ed.)

Alonso, M.S, et al. Elemental Abundance Studies of CP Stars. The Helium-weak Stars HD 19400, HD 34797 and HD 35456. 2003.