Drucker, P. F. (1961). Que sera demain?: Prévisions = (The landmarks of tomorrow). Les Editions d'organisation.
Chicago Style (17th ed.) CitationDrucker, Peter Ferdinand. Que Sera Demain?: Prévisions = (The Landmarks of Tomorrow). Paris: Les Editions d'organisation, 1961.
MLA (9th ed.) CitationDrucker, Peter Ferdinand. Que Sera Demain?: Prévisions = (The Landmarks of Tomorrow). Les Editions d'organisation, 1961.
Warning: These citations may not always be 100% accurate.