APA (7th ed.) Citation

Kousoulis, P., Hajiioannou, J., Florou, V., Kretzas, D., & Korres, G. Excessive Paranasal Sinuses and Mastoid Aeration as a Possible Cause of Chronic Headache. Wiley.

Chicago Style (17th ed.) Citation

Kousoulis, Panagiotis, Jiannis Hajiioannou, Vassiliki Florou, Dimitrios Kretzas, and George Korres. Excessive Paranasal Sinuses and Mastoid Aeration as a Possible Cause of Chronic Headache. Wiley.

MLA (9th ed.) Citation

Kousoulis, Panagiotis, et al. Excessive Paranasal Sinuses and Mastoid Aeration as a Possible Cause of Chronic Headache. Wiley.

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