APA ציטוט

Howell, J. B., & Waters, W. E. (1986). Respiratory symptoms and bronchial reactivity.

Citação norma Chicago

Howell, J B., and W E. Waters. Respiratory Symptoms and Bronchial Reactivity. 1986.

ציטוט MLA

Howell, J B., and W E. Waters. Respiratory Symptoms and Bronchial Reactivity. 1986.