APA (7th ed.) Citation

Costa, C. B. d. Editorial. Portuguese Society of Otolaryngology and Head and Neck Surgery.

Chicago Style (17th ed.) Citation

Costa, Carlos Barreira da. Editorial. Portuguese Society of Otolaryngology and Head and Neck Surgery.

MLA (9th ed.) Citation

Costa, Carlos Barreira da. Editorial. Portuguese Society of Otolaryngology and Head and Neck Surgery.

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