Cita APA (7a ed.)

Belloni, T., Méndez, M. R., & Sánchez Fernández, C. (2001). The high-frequency QPOs in GRS 1915+105.

Cita Chicago Style (17a ed.)

Belloni, T., Mariano R. Méndez, y C. Sánchez Fernández. The High-frequency QPOs in GRS 1915+105. 2001.

Cita MLA (8a ed.)

Belloni, T., et al. The High-frequency QPOs in GRS 1915+105. 2001.