APA (7th ed.) Citation

El-Naggar, A. K., Chan, J. K. C., & Grandis, J. R. (2017). WHO Classification of Head and Neck Tumours. World Health Organizacion.

Chicago Style (17th ed.) Citation

El-Naggar, Adel K., John K. C. Chan, and Jennifer R. Grandis. WHO Classification of Head and Neck Tumours. Lyon: World Health Organizacion, 2017.

MLA (8th ed.) Citation

El-Naggar, Adel K., et al. WHO Classification of Head and Neck Tumours. World Health Organizacion, 2017.