Bengtson, P. (1996). Campanian ammonites and inoceramids from the Sergipe Basin, Brazil. Geologia e Sociedade ; 7.
Chicago Style (17th ed.) CitationBengtson, Peter. "Campanian Ammonites and Inoceramids from the Sergipe Basin, Brazil." Geologia E Sociedade ; 7 1996.
MLA (9th ed.) CitationBengtson, Peter. "Campanian Ammonites and Inoceramids from the Sergipe Basin, Brazil." Geologia E Sociedade ; 7, 1996.
Warning: These citations may not always be 100% accurate.