APA aipamena

Roman, E., Fear, N. T., Ansell, P., Bull, D., Draper, G., McKinney, P., . . . von Kries, R. (2002). Vitamin K and childhood cancer: Analysis of individual patient data from six case–control studies. Nature Publishing Group.

Chicago Style aipamena

Roman, E., N T. Fear, P. Ansell, D. Bull, G. Draper, P. McKinney, J. Michaelis, S J. Passmore, and R. von Kries. Vitamin K and Childhood Cancer: Analysis of Individual Patient Data From Six Case–control Studies. Nature Publishing Group, 2002.

MLA aipamena

Roman, E., et al. Vitamin K and Childhood Cancer: Analysis of Individual Patient Data From Six Case–control Studies. Nature Publishing Group, 2002.