Cita APA (7th ed.)

Knapp, G. P. (1977). Georg Büchner: Gerhard P[eter] Knapp (1.Aufl.). Metzler.

Cita Chicago (17th ed.)

Knapp, Gerhard Peter. Georg Büchner: Gerhard P[eter] Knapp. 1.Aufl. Stuttgart: Metzler, 1977.

Cita MLA (8th ed.)

Knapp, Gerhard Peter. Georg Büchner: Gerhard P[eter] Knapp. 1.Aufl. Metzler, 1977.