Lamy, B., Ruhe, E., & Behrens, R. (1980). De l'art de parler = Kunst zu reden. Fink.
Chicago Style (17th ed.) CitationLamy, Bernard, Ernstpeter Ruhe, and Rudolf Behrens. De L'art De Parler = Kunst Zu Reden. München: Fink, 1980.
MLA (8th ed.) CitationLamy, Bernard, et al. De L'art De Parler = Kunst Zu Reden. Fink, 1980.
Warning: These citations may not always be 100% accurate.