Manfred Forschner.

MLA

Gercke, Hans. Manfred Forschner. [S.l.]: [s.n.], .

APA

Gercke, H. (.). Manfred Forschner. [S.l.]: [s.n.].

Chicago

Gercke, Hans Manfred Forschner. [S.l.]: [s.n.], ..