Tremolada, F., Bernardi, B. D., & Erba, E. (2008). Size variations of the calcareous nannofossil taxon Discoaster multiradiatus (Incertae sedis) across the Paleocene–Eocene thermal maximum in ocean drilling program holes 690B and 1209B. Marine Micropaleontology, 67(3-4), 239.
Chicago Style (17th ed.) CitationTremolada, F., B. De Bernardi, and E. Erba. "Size Variations of the Calcareous Nannofossil Taxon Discoaster Multiradiatus (Incertae Sedis) Across the Paleocene–Eocene Thermal Maximum in Ocean Drilling Program Holes 690B and 1209B." Marine Micropaleontology 67, no. 3-4 (2008): 239.
MLA (9th ed.) CitationTremolada, F., et al. "Size Variations of the Calcareous Nannofossil Taxon Discoaster Multiradiatus (Incertae Sedis) Across the Paleocene–Eocene Thermal Maximum in Ocean Drilling Program Holes 690B and 1209B." Marine Micropaleontology, vol. 67, no. 3-4, 2008, p. 239.