APA (7th ed.) Citation

F, R. R., L, F., C, M., M, B., A, B., & J, S. (2012, November). Preface. EPJ Web of Conferences.

Chicago Style (17th ed.) Citation

F, Rapp R., Fabbietti L, Markert C, Bleicher M, Badalà A, and Stroth J. "Preface." EPJ Web of Conferences Nov. 2012.

MLA (9th ed.) Citation

F, Rapp R., et al. "Preface." EPJ Web of Conferences, Nov. 2012.