Schoenherner, G. (1964). Brief von Gerhard Schoenberger an den Freiburger Rundbrief. Freiburger Rundbrief, 16/17(61/64), 90.
Citazione stile Chigago Style (17a edizione)Schoenherner, Gerhard. "Brief Von Gerhard Schoenberger an Den Freiburger Rundbrief." Freiburger Rundbrief 16/17, no. 61/64 (1964): 90.
Citatione MLA (9a ed.)Schoenherner, Gerhard. "Brief Von Gerhard Schoenberger an Den Freiburger Rundbrief." Freiburger Rundbrief, vol. 16/17, no. 61/64, 1964, p. 90.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
