Citazione Stile APA (7a Edizione)

Eckardt, K., Sommerer, C., & Zeier, M. (2012). The German Chronic Kidney Disease (GCKD) study: Design and methods. Nephrology, dialysis, transplantation, 27(4), . https://doi.org/10.1093/ndt/gfr456

Citazione stile Chigago Style (17a edizione)

Eckardt, Kai-Uwe, Claudia Sommerer, e Martin Zeier. "The German Chronic Kidney Disease (GCKD) Study: Design and Methods." Nephrology, Dialysis, Transplantation 27, no. 4 (2012). https://doi.org/10.1093/ndt/gfr456.

Citatione MLA (9a ed.)

Eckardt, Kai-Uwe, et al. "The German Chronic Kidney Disease (GCKD) Study: Design and Methods." Nephrology, Dialysis, Transplantation, vol. 27, no. 4, 2012, https://doi.org/10.1093/ndt/gfr456.