APA (7th ed.) Citation

PI, F., M, M., R, S., & N, B. (1994). Comparison of sulphur dioxide and metabisulphite airway reactivity in subjects with asthma. Thorax, 49(3), 250. https://doi.org/10.1136/thx.49.3.250

Chicago Style (17th ed.) Citation

PI, Field, McClean M, Simmul R, and Berend N. "Comparison of Sulphur Dioxide and Metabisulphite Airway Reactivity in Subjects with Asthma." Thorax 49, no. 3 (1994): 250. https://doi.org/10.1136/thx.49.3.250.

MLA (9th ed.) Citation

PI, Field, et al. "Comparison of Sulphur Dioxide and Metabisulphite Airway Reactivity in Subjects with Asthma." Thorax, vol. 49, no. 3, 1994, p. 250, https://doi.org/10.1136/thx.49.3.250.