Classen, C. J. (1976). Sophistik. Wege der Forschung.
Chicago Style (17th ed.) CitationClassen, Carl Joachim. "Sophistik." Wege Der Forschung 1976.
MLA (8th ed.) CitationClassen, Carl Joachim. "Sophistik." Wege Der Forschung, 1976.
Warning: These citations may not always be 100% accurate.