APA (7th ed.) Citation

Olierook, H., Jourdan, F., & Merle, R. (2019). Age of the Barremian–Aptian boundary and onset of the Cretaceous Normal Superchron.

Chicago Style (17th ed.) Citation

Olierook, Hugo, Fred Jourdan, and Renaud Merle. Age of the Barremian–Aptian Boundary and Onset of the Cretaceous Normal Superchron. 2019.

MLA (9th ed.) Citation

Olierook, Hugo, et al. Age of the Barremian–Aptian Boundary and Onset of the Cretaceous Normal Superchron. 2019.