Cita APA (7th ed.)

Stade, H., Müller, H., Daiber, C., Müller, H., & Kürzinger, G. (1991). Erfurt. Bucher.

Cita Chicago (17th ed.)

Stade, Heinz, Hermann Müller, Claudia Daiber, Horst Müller, i Georg Kürzinger. Erfurt. München ; Berlin: Bucher, 1991.

Cita MLA (8th ed.)

Stade, Heinz, et al. Erfurt. Bucher, 1991.