Bengtson, P. (1996). Cretaceous ammonites of Brazil. Cretaceous stratigraphy, paleobiology and paleobiogeography.
Chicago Style (17th ed.) CitationBengtson, Peter. "Cretaceous Ammonites of Brazil." Cretaceous Stratigraphy, Paleobiology and Paleobiogeography 1996.
MLA (9th ed.) CitationBengtson, Peter. "Cretaceous Ammonites of Brazil." Cretaceous Stratigraphy, Paleobiology and Paleobiogeography, 1996.
Warning: These citations may not always be 100% accurate.