Bengtson, P., & Holmer, L. (1996). Implications of the rare occurrences of brachiopods in the upper Cretaceous of Sergipe, Brazil. 4. Boletim do Simpósio sobre o Cretáceo do Brasil.
Chicago-Zitierstil (17. Ausg.)Bengtson, Peter, und Lars Holmer. "Implications of the Rare Occurrences of Brachiopods in the Upper Cretaceous of Sergipe, Brazil." 4. Boletim Do Simpósio Sobre O Cretáceo Do Brasil 1996.
MLA-Zitierstil (9. Ausg.)Bengtson, Peter, und Lars Holmer. "Implications of the Rare Occurrences of Brachiopods in the Upper Cretaceous of Sergipe, Brazil." 4. Boletim Do Simpósio Sobre O Cretáceo Do Brasil, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.