Cita APA (7th ed.)

Höxtermann, E., & Sucker, U. (1989). Otto Warburg: Ekkehard Höxtermann ; Ulrich Sucker. Teubner.

Cita Chicago (17th ed.)

Höxtermann, Ekkehard, i Ulrich Sucker. Otto Warburg: Ekkehard Höxtermann ; Ulrich Sucker. Leipzig: Teubner, 1989.

Cita MLA (8th ed.)

Höxtermann, Ekkehard, i Ulrich Sucker. Otto Warburg: Ekkehard Höxtermann ; Ulrich Sucker. Teubner, 1989.