Was heisst Fortschritt?

MLA

Metzger, Heinz-Klaus. Was Heisst Fortschritt?. Munich: Edidtion text + kritik, 1998.

APA

Metzger, H. (1998). Was heisst Fortschritt?. Munich: Edidtion text + kritik.

Chicago

Metzger, Heinz-Klaus, and Rainer Riehn. Was Heisst Fortschritt?. Munich: Edidtion text + kritik, 1998.