APA (7th ed.) Citation

Bengtson, P., Zucon, M. H., & Conceição Santos Sobral, A. d. (2018). Cretaceous ammonite zonation of the Sergipe Basin, northeastern Brazil. Cretaceous research, 88, . https://doi.org/10.1016/j.cretres.2017.07.021

Chicago Style (17th ed.) Citation

Bengtson, Peter, Maria Helena Zucon, and Anderson da Conceição Santos Sobral. "Cretaceous Ammonite Zonation of the Sergipe Basin, Northeastern Brazil." Cretaceous Research 88 (2018). https://doi.org/10.1016/j.cretres.2017.07.021.

MLA (9th ed.) Citation

Bengtson, Peter, et al. "Cretaceous Ammonite Zonation of the Sergipe Basin, Northeastern Brazil." Cretaceous Research, vol. 88, 2018, https://doi.org/10.1016/j.cretres.2017.07.021.