APA

Di Pauli F., Reindl M., Ehling R., Schautzer F., Gneiss C., Lutterotti A., O'Reilly E., Munger K., Deisenhammer F., Ascherio A. & Berger T. (20081231). Smoking is a risk factor for early conversion to clinically definite multiple sclerosis. : Multiple sclerosis (Houndmills, Basingstoke, England).

Chicago

Di Pauli F, Reindl M, Ehling R, Schautzer F, Gneiss C, Lutterotti A, O'Reilly Ej, Munger Kl, Deisenhammer F, Ascherio A and Berger T. 20081231. Smoking is a risk factor for early conversion to clinically definite multiple sclerosis. : Multiple sclerosis (Houndmills, Basingstoke, England).

Harvard

Di Pauli F., Reindl M., Ehling R., Schautzer F., Gneiss C., Lutterotti A., O'Reilly E., Munger K., Deisenhammer F., Ascherio A. and Berger T. (20081231). Smoking is a risk factor for early conversion to clinically definite multiple sclerosis. : Multiple sclerosis (Houndmills, Basingstoke, England).

MLA

Di Pauli F, Reindl M, Ehling R, Schautzer F, Gneiss C, Lutterotti A, O'Reilly Ej, Munger Kl, Deisenhammer F, Ascherio A and Berger T. Smoking is a risk factor for early conversion to clinically definite multiple sclerosis. : Multiple sclerosis (Houndmills, Basingstoke, England). 20081231.