APA

Schünemann H. J., Grant B. J., Freudenheim J. L., Muti P., Browne R. W., Drake J. A., Klocke R. A. & Trevisan M. (20010607). The relation of serum levels of antioxidant vitamins C and E, retinol and carotenoids with pulmonary function in the general population. : American journal of respiratory and critical care medicine.

Chicago

Schünemann H J, Grant B J, Freudenheim J L, Muti P, Browne R W, Drake J A, Klocke R A and Trevisan M. 20010607. The relation of serum levels of antioxidant vitamins C and E, retinol and carotenoids with pulmonary function in the general population. : American journal of respiratory and critical care medicine.

Harvard

Schünemann H. J., Grant B. J., Freudenheim J. L., Muti P., Browne R. W., Drake J. A., Klocke R. A. and Trevisan M. (20010607). The relation of serum levels of antioxidant vitamins C and E, retinol and carotenoids with pulmonary function in the general population. : American journal of respiratory and critical care medicine.

MLA

Schünemann H J, Grant B J, Freudenheim J L, Muti P, Browne R W, Drake J A, Klocke R A and Trevisan M. The relation of serum levels of antioxidant vitamins C and E, retinol and carotenoids with pulmonary function in the general population. : American journal of respiratory and critical care medicine. 20010607.