APA (7th ed.) Citation

Martins, J., Certal, V., Santos, T., Amorim, H., & Carvalho, C. Enxaqueca vestibular. Portuguese Society of Otolaryngology and Head and Neck Surgery.

Chicago Style (17th ed.) Citation

Martins, João, Vítor Certal, Tiago Santos, Hugo Amorim, and Carlos Carvalho. Enxaqueca Vestibular. Portuguese Society of Otolaryngology and Head and Neck Surgery.

MLA (9th ed.) Citation

Martins, João, et al. Enxaqueca Vestibular. Portuguese Society of Otolaryngology and Head and Neck Surgery.

Warning: These citations may not always be 100% accurate.