APA

Bolger W. E., Keyes A. S. & Lanza D. C. (19990401). Use of the superior meatus and superior turbinate in the endoscopic approach to the sphenoid sinus. : Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery.

Chicago

Bolger W E, Keyes A S and Lanza D C. 19990401. Use of the superior meatus and superior turbinate in the endoscopic approach to the sphenoid sinus. : Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery.

Harvard

Bolger W. E., Keyes A. S. and Lanza D. C. (19990401). Use of the superior meatus and superior turbinate in the endoscopic approach to the sphenoid sinus. : Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery.

MLA

Bolger W E, Keyes A S and Lanza D C. Use of the superior meatus and superior turbinate in the endoscopic approach to the sphenoid sinus. : Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery. 19990401.