Wiegand, G. E. (1985). Cretaceous nannofossils from the Northwest African Margin. PANGAEA.
Chicago Style (17th ed.) CitationWiegand, George E. Cretaceous Nannofossils from the Northwest African Margin. PANGAEA, 1985.
MLA (9th ed.) CitationWiegand, George E. Cretaceous Nannofossils from the Northwest African Margin. PANGAEA, 1985.
Warning: These citations may not always be 100% accurate.