Sörgel, H. (1929). Mittelmeer-Senkung, Sahara-Bewässerung (Panropa-Projekt): = Lowering the Mediterranean, irrigating the Sahara = Abaissement de la Méditerranée, irrigation du Sahara. Gebhardt.
Chicago Style (17th ed.) CitationSörgel, Herman. Mittelmeer-Senkung, Sahara-Bewässerung (Panropa-Projekt): = Lowering the Mediterranean, Irrigating the Sahara = Abaissement De La Méditerranée, Irrigation Du Sahara. Leipzig: Gebhardt, 1929.
MLA (9th ed.) CitationSörgel, Herman. Mittelmeer-Senkung, Sahara-Bewässerung (Panropa-Projekt): = Lowering the Mediterranean, Irrigating the Sahara = Abaissement De La Méditerranée, Irrigation Du Sahara. Gebhardt, 1929.
Warning: These citations may not always be 100% accurate.