Cita APA (7th ed.)

Abdul-Ahad, A., Shah, S., & Galazka, A. (1997). Treatment of multiple sclerosis with interferon beta-1 b.

Cita Chicago (17th ed.)

Abdul-Ahad, A., S. Shah, i A. Galazka. Treatment of Multiple Sclerosis with Interferon Beta-1 B. 1997.

Cita MLA (9th ed.)

Abdul-Ahad, A., et al. Treatment of Multiple Sclerosis with Interferon Beta-1 B. 1997.