Cita APA (7a ed.)

Fleck, B., Heber, B., Vourlidas, A., van Driel-Gesztelyi, L., Mandrini, C., & Leibacher, J. Preface.

Cita Chicago Style (17a ed.)

Fleck, B., B. Heber, A. Vourlidas, L. van Driel-Gesztelyi, C.H Mandrini, y J. Leibacher. Preface.

Cita MLA (8a ed.)

Fleck, B., et al. Preface.