APA (7th ed.) Citation

A, E. H., A, D., & AF, G. (2006). [Tools for assessing patient perception of the impact of migraine]. CNS drugs, 20 Spec no.1, 24.

Chicago Style (17th ed.) Citation

A, El Hasnaoui, Doble A, and Gaudin AF. "[Tools for Assessing Patient Perception of the Impact of Migraine]." CNS Drugs 20 Spec no.1 (2006): 24.

MLA (9th ed.) Citation

A, El Hasnaoui, et al. "[Tools for Assessing Patient Perception of the Impact of Migraine]." CNS Drugs, vol. 20 Spec no.1, 2006, p. 24.