APA (7th ed.) Citation

May, J., Peto, R., Tinker, C., & Fletcher, C. (1973). A study of Hemophilus influenzae precipitins in the serum of working men in relation to smoking habits, bronchial infection, and airway obstruction.

Chicago Style (17th ed.) Citation

May, JR, R. Peto, C. Tinker, and C. Fletcher. A Study of Hemophilus Influenzae Precipitins in the Serum of Working Men in Relation to Smoking Habits, Bronchial Infection, and Airway Obstruction. 1973.

MLA (9th ed.) Citation

May, JR, et al. A Study of Hemophilus Influenzae Precipitins in the Serum of Working Men in Relation to Smoking Habits, Bronchial Infection, and Airway Obstruction. 1973.