Cite
Revision of the lower Aptian (Lower Cretaceous) ammonite species Cheloniceras cornuelianum (d’Orbigny, 1841).
MLA
Bersac, Stéphane, and Didier Bert. “Revision of the Lower Aptian (Lower Cretaceous) Ammonite Species Cheloniceras Cornuelianum (d’Orbigny, 1841).” Annales de Paleontologie, vol. 104, no. 1, Jan. 2018, pp. 45–70. EBSCOhost, https://doi.org/10.1016/j.annpal.2018.01.001.
APA
Bersac, S., & Bert, D. (2018). Revision of the lower Aptian (Lower Cretaceous) ammonite species Cheloniceras cornuelianum (d’Orbigny, 1841). Annales de Paleontologie, 104(1), 45–70. https://doi.org/10.1016/j.annpal.2018.01.001
Chicago
Bersac, Stéphane, and Didier Bert. 2018. “Revision of the Lower Aptian (Lower Cretaceous) Ammonite Species Cheloniceras Cornuelianum (d’Orbigny, 1841).” Annales de Paleontologie 104 (1): 45–70. doi:10.1016/j.annpal.2018.01.001.