Cita APA (7th ed.)
Bosse-Steuernagel, G. Bosse-Steuernagel, Gudrun.
Cita Chicago (17th ed.)
Bosse-Steuernagel, Gudrun. Bosse-Steuernagel, Gudrun.
Cita MLA (9th ed.)
Bosse-Steuernagel, Gudrun. Bosse-Steuernagel, Gudrun.
Atenció: Aquestes cites poden no estar 100% correctes.