Schäfer, L. (1988). Karl R. Popper (Orig.-Ausg.). Beck.
Chicago Style (17th ed.) CitationSchäfer, Lothar. Karl R. Popper. Orig.-Ausg. München: Beck, 1988.
MLA (8th ed.) CitationSchäfer, Lothar. Karl R. Popper. Orig.-Ausg. Beck, 1988.
Warning: These citations may not always be 100% accurate.