Preface.Patients with end-stage renal disease.

MLA

Widmer, Matthias K., and Jan Malik. “Preface.Patients with End-Stage Renal Disease.” Contributions to Nephrology, vol. 184, 2015, p. ix. EBSCOhost, https://doi.org/10.1159/isbn.978-3-318-02706-8.

APA

Widmer, M. K., & Malik, J. (2015). Preface.Patients with end-stage renal disease. Contributions to Nephrology, 184, ix. https://doi.org/10.1159/isbn.978-3-318-02706-8

Chicago

Widmer, Matthias K, and Jan Malik. 2015. “Preface.Patients with End-Stage Renal Disease.” Contributions to Nephrology 184: ix. doi:10.1159/isbn.978-3-318-02706-8.