APA (7th ed.) Citation

Ifrim, C., Bengtson, P., & Schweigert, G. (2018). Growth and function of spines in Jurassic and Cretaceous ammonites. Cretaceous research, 88, . https://doi.org/10.1016/j.cretres.2017.05.003

Chicago Style (17th ed.) Citation

Ifrim, Christina, Peter Bengtson, and Günter Schweigert. "Growth and Function of Spines in Jurassic and Cretaceous Ammonites." Cretaceous Research 88 (2018). https://doi.org/10.1016/j.cretres.2017.05.003.

MLA (9th ed.) Citation

Ifrim, Christina, et al. "Growth and Function of Spines in Jurassic and Cretaceous Ammonites." Cretaceous Research, vol. 88, 2018, https://doi.org/10.1016/j.cretres.2017.05.003.