Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Freund, H., Birks, H. J. B., & Birks, H. H. (2001). The identification of wingless Betula fruits in Weichselian sediments in the Gross Todtshorn borehole (Lower Saxony, Germany), the occurrence of Betula humilis Schrank.

Chicago Citation Edition Citation

Freund, Holger, H. J. B. Birks, und Hilary H. Birks. The Identification of Wingless Betula Fruits in Weichselian Sediments in the Gross Todtshorn Borehole (Lower Saxony, Germany), the Occurrence of Betula Humilis Schrank. 2001.

MLA Citation Edition Citation

Freund, Holger, et al. The Identification of Wingless Betula Fruits in Weichselian Sediments in the Gross Todtshorn Borehole (Lower Saxony, Germany), the Occurrence of Betula Humilis Schrank. 2001.