Cita APA (7a ed.)

Henke-Bockschatz, G. (2000). Oral. Friedrich.

Cita Chicago Style (17a ed.)

Henke-Bockschatz, Gerhard. Oral. Seelze: Friedrich, 2000.

Cita MLA (9a ed.)

Henke-Bockschatz, Gerhard. Oral. Friedrich, 2000.