APA Citatie

Handel, A. E., Williamson, A. J., Disanto, G., Dobson, R., Giovannoni, G., & Ramagopalan, S. V. (2011). Smoking and Multiple Sclerosis: An Updated Meta-Analysis. Public Library of Science.

Chicago Style citaat

Handel, Adam E., Alexander J. Williamson, Giulio Disanto, Ruth Dobson, Gavin Giovannoni, en Sreeram V. Ramagopalan. Smoking and Multiple Sclerosis: An Updated Meta-Analysis. Public Library of Science, 2011.

MLA citatie

Handel, Adam E., et al. Smoking and Multiple Sclerosis: An Updated Meta-Analysis. Public Library of Science, 2011.