Freytag-Löringhoff, B. v. (1966). Logik Logik.
Chicago Style (17th ed.) CitationFreytag-Löringhoff, Bruno von. "Logik." Logik 1966.
MLA (9th ed.) CitationFreytag-Löringhoff, Bruno von. "Logik." Logik, 1966.
Warning: These citations may not always be 100% accurate.