Cita APA (7a ed.)

Piontek, H. (1989). Freies Geleit. St. Benno.

Cita Chicago Style (17a ed.)

Piontek, Heinz. Freies Geleit. Leipzig: St. Benno, 1989.

Cita MLA (8a ed.)

Piontek, Heinz. Freies Geleit. St. Benno, 1989.