Ammann, B. (2010). Pollen profile UMBRAIL, Umbrail, Switzerland. PANGAEA.
Cita Chicago Style (17a ed.)Ammann, Brigitta. Pollen Profile UMBRAIL, Umbrail, Switzerland. PANGAEA, 2010.
Cita MLA (9a ed.)Ammann, Brigitta. Pollen Profile UMBRAIL, Umbrail, Switzerland. PANGAEA, 2010.
Precaución: Estas citas no son 100% exactas.