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

APA Citation Edition Citation

Janssen, C. R. (1967). A postglacial pollen diagram from a small typha swamp in northwestern Minnesota, interpreted from pollen indicators and surface samples. - New York, N.Y.

Chicago Citation Edition Citation

Janssen, C. R. A Postglacial Pollen Diagram from a Small Typha Swamp in Northwestern Minnesota, Interpreted from Pollen Indicators and Surface Samples. - New York, N.Y. 1967.

MLA Citation Edition Citation

Janssen, C. R. A Postglacial Pollen Diagram from a Small Typha Swamp in Northwestern Minnesota, Interpreted from Pollen Indicators and Surface Samples. - New York, N.Y. 1967.