APA (7th ed.) Citation

S, C., U, M., F, S., F, P., S, Q., E, S., . . . B, R. (2011). Environmental factors in early childhood are associated with multiple sclerosis: A case-control study. BMC neurology, 11, 123. https://doi.org/10.1186/1471-2377-11-123

Chicago Style (17th ed.) Citation

S, Conradi, et al. "Environmental Factors in Early Childhood Are Associated with Multiple Sclerosis: A Case-control Study." BMC Neurology 11 (2011): 123. https://doi.org/10.1186/1471-2377-11-123.

MLA (9th ed.) Citation

S, Conradi, et al. "Environmental Factors in Early Childhood Are Associated with Multiple Sclerosis: A Case-control Study." BMC Neurology, vol. 11, 2011, p. 123, https://doi.org/10.1186/1471-2377-11-123.