APA

Berger W. E., Fineman S. M., Lieberman P. & Miles R. M. (19990708). Double-blind trials of azelastine nasal spray monotherapy versus combination therapy with loratadine tablets and beclomethasone nasal spray in patients with seasonal allergic rhinitis. Rhinitis Study Groups. : Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology.

Chicago

Berger W E, Fineman S M, Lieberman P and Miles R M. 19990708. Double-blind trials of azelastine nasal spray monotherapy versus combination therapy with loratadine tablets and beclomethasone nasal spray in patients with seasonal allergic rhinitis. Rhinitis Study Groups. : Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology.

Harvard

Berger W. E., Fineman S. M., Lieberman P. and Miles R. M. (19990708). Double-blind trials of azelastine nasal spray monotherapy versus combination therapy with loratadine tablets and beclomethasone nasal spray in patients with seasonal allergic rhinitis. Rhinitis Study Groups. : Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology.

MLA

Berger W E, Fineman S M, Lieberman P and Miles R M. Double-blind trials of azelastine nasal spray monotherapy versus combination therapy with loratadine tablets and beclomethasone nasal spray in patients with seasonal allergic rhinitis. Rhinitis Study Groups. : Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology. 19990708.