APA Citatie

von Kries, R., Koletzko, B., Sauerwald, T., von Mutius, E., Barnert, D., Grunert, V., & von Voss, H. (1999). Breast feeding and obesity: Cross sectional study. British Medical Journal.

Chicago Style citaat

von Kries, Rüdiger, Berthold Koletzko, Thorsten Sauerwald, Erika von Mutius, Dietmar Barnert, Veit Grunert, en Hubertus von Voss. Breast Feeding and Obesity: Cross Sectional Study. British Medical Journal, 1999.

MLA citatie

von Kries, Rüdiger, et al. Breast Feeding and Obesity: Cross Sectional Study. British Medical Journal, 1999.