Bibus, E., & Semmel, A. (1972). Geomorphologie arider: Geomorphology of arid areas. Gebrüder Borntraeger.
Chicago Style (17th ed.) CitationBibus, Erhard, and Arno Semmel. Geomorphologie Arider: Geomorphology of Arid Areas. Berlin: Gebrüder Borntraeger, 1972.
MLA (8th ed.) CitationBibus, Erhard, and Arno Semmel. Geomorphologie Arider: Geomorphology of Arid Areas. Gebrüder Borntraeger, 1972.
Warning: These citations may not always be 100% accurate.