Cite
Cigarettes, alcohol, coffee and peptic ulcer.
MLA
Friedman, G. D., et al. “Cigarettes, Alcohol, Coffee and Peptic Ulcer.” The New England Journal of Medicine, vol. 290, no. 9, Feb. 1974, pp. 469–73. EBSCOhost, https://doi.org/10.1056/NEJM197402282900901.
APA
Friedman, G. D., Siegelaub, A. B., & Seltzer, C. C. (1974). Cigarettes, alcohol, coffee and peptic ulcer. The New England Journal of Medicine, 290(9), 469–473. https://doi.org/10.1056/NEJM197402282900901
Chicago
Friedman, G D, A B Siegelaub, and C C Seltzer. 1974. “Cigarettes, Alcohol, Coffee and Peptic Ulcer.” The New England Journal of Medicine 290 (9): 469–73. doi:10.1056/NEJM197402282900901.