Cita APA (7a ed.)

George, S., & Wolters, F. (1998). Briefwechsel. Castrum Peregrini.

Cita Chicago Style (17a ed.)

George, Stefan, y Friedrich Wolters. "Briefwechsel." Castrum Peregrini 1998.

Cita MLA (8a ed.)

George, Stefan, y Friedrich Wolters. "Briefwechsel." Castrum Peregrini, 1998.