APA (7th ed.) Citation

BK, J., AE, E., EB, M., T, W., I, N., Jacobsen, B. K., . . . Njølstad, I. (2012). Cohort profile: The Tromso Study. International Journal of Epidemiology, 41(4), 961. https://doi.org/10.1093/ije/dyr049

Chicago Style (17th ed.) Citation

BK, Jacobsen, et al. "Cohort Profile: The Tromso Study." International Journal of Epidemiology 41, no. 4 (2012): 961. https://doi.org/10.1093/ije/dyr049.

MLA (9th ed.) Citation

BK, Jacobsen, et al. "Cohort Profile: The Tromso Study." International Journal of Epidemiology, vol. 41, no. 4, 2012, p. 961, https://doi.org/10.1093/ije/dyr049.