Cita APA (7a ed.)

Luther, M., Enders, E. L., Kawerau, G., & Flemming, J. P. G. (1920). Dr. Martin Luther's Briefwechsel. Rudolf Haupt.

Cita Chicago Style (17a ed.)

Luther, Martin, Ernst Ludwig Enders, Gustav Kawerau, y Johannes Paul Gotthilf Flemming. Dr. Martin Luther's Briefwechsel. Lepzig: Rudolf Haupt, 1920.

Cita MLA (9a ed.)

Luther, Martin, et al. Dr. Martin Luther's Briefwechsel. Rudolf Haupt, 1920.