Ifrim, C., & Stinnesbeck, W. (2010). Migration pathways of the late Campanian and Maastrichtian shallow facies ammonite Sphenodiscus in North America. Palaeogeography, palaeoclimatology, palaeoecology, 292(1/2), .
Chicago Style (17th ed.) CitationIfrim, Christina, and Wolfgang Stinnesbeck. "Migration Pathways of the Late Campanian and Maastrichtian Shallow Facies Ammonite Sphenodiscus in North America." Palaeogeography, Palaeoclimatology, Palaeoecology 292, no. 1/2 (2010).
MLA (9th ed.) CitationIfrim, Christina, and Wolfgang Stinnesbeck. "Migration Pathways of the Late Campanian and Maastrichtian Shallow Facies Ammonite Sphenodiscus in North America." Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 292, no. 1/2, 2010.
Warning: These citations may not always be 100% accurate.