Ahrendt, H., & Franke, W. (1990). Mid-German crystalline rise & Rheinisches Schiefergebirge: Field guide to pre-conference excursion ; Conference on Paleozoic Orogens in Central Europe - Geology and Geophysics, Göttingen-Giessen 1990, [Aug.-Sep. 1990] ; IGCP 233, Project Terranes in the Circum Atlantic Paleozoic Orogens. [Univ.].
Chicago Style (17th ed.) CitationAhrendt, Hans, and Wolfgang Franke. Mid-German Crystalline Rise & Rheinisches Schiefergebirge: Field Guide to Pre-conference Excursion ; Conference on Paleozoic Orogens in Central Europe - Geology and Geophysics, Göttingen-Giessen 1990, [Aug.-Sep. 1990] ; IGCP 233, Project Terranes in the Circum Atlantic Paleozoic Orogens. [Giessen]: [Univ.], 1990.
MLA (9th ed.) CitationAhrendt, Hans, and Wolfgang Franke. Mid-German Crystalline Rise & Rheinisches Schiefergebirge: Field Guide to Pre-conference Excursion ; Conference on Paleozoic Orogens in Central Europe - Geology and Geophysics, Göttingen-Giessen 1990, [Aug.-Sep. 1990] ; IGCP 233, Project Terranes in the Circum Atlantic Paleozoic Orogens. [Univ.], 1990.