APA (7th ed.) Citation

T, P., & J, L. (1998). Seasonal affective disorder. Lancet, 352(9137), 1369. https://doi.org/10.1016/s0140-6736(98)01015-0

Chicago Style (17th ed.) Citation

T, Partonen, and Lonnqvist J. "Seasonal Affective Disorder." Lancet 352, no. 9137 (1998): 1369. https://doi.org/10.1016/s0140-6736(98)01015-0.

MLA (9th ed.) Citation

T, Partonen, and Lonnqvist J. "Seasonal Affective Disorder." Lancet, vol. 352, no. 9137, 1998, p. 1369, https://doi.org/10.1016/s0140-6736(98)01015-0.