APA (7th ed.) Citation

JA, E., RG, S., & FR, M. (1975). Prevalence of recurrent herpes labialis and aphthous ulcers among young adults on six continents. Canadian Medical Association journal, 113(7), 627.

Chicago Style (17th ed.) Citation

JA, Embil, Stephens RG, and Manuel FR. "Prevalence of Recurrent Herpes Labialis and Aphthous Ulcers Among Young Adults on Six Continents." Canadian Medical Association Journal 113, no. 7 (1975): 627.

MLA (9th ed.) Citation

JA, Embil, et al. "Prevalence of Recurrent Herpes Labialis and Aphthous Ulcers Among Young Adults on Six Continents." Canadian Medical Association Journal, vol. 113, no. 7, 1975, p. 627.