Lehmann, J., & Friedrich, O. (2007). Ammonites and associated macrofauna around the Middle/Upper Albian boundary of the Hanover-Lahe core, northern Germany. Cretaceous research, 28, .
Chicago-Zitierstil (17. Ausg.)Lehmann, Jens, und Oliver Friedrich. "Ammonites and Associated Macrofauna Around the Middle/Upper Albian Boundary of the Hanover-Lahe Core, Northern Germany." Cretaceous Research 28 (2007).
MLA-Zitierstil (9. Ausg.)Lehmann, Jens, und Oliver Friedrich. "Ammonites and Associated Macrofauna Around the Middle/Upper Albian Boundary of the Hanover-Lahe Core, Northern Germany." Cretaceous Research, vol. 28, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.