APA

Wille M., Hooghiemstra H., Behling H., Borg ven der K. & Negret A. J.Environmental change in the colombian subandean forest belt from 8 pollen records: the last 50 kyr. : .

Chicago

Wille Michael, Hooghiemstra Henry, Behling Hermann, Borg ven der Klaas and Negret Alvaro José.Environmental change in the colombian subandean forest belt from 8 pollen records: the last 50 kyr. : .

Harvard

Wille M., Hooghiemstra H., Behling H., Borg ven der K. and Negret A. J.Environmental change in the colombian subandean forest belt from 8 pollen records: the last 50 kyr. : .

MLA

Wille Michael, Hooghiemstra Henry, Behling Hermann, Borg ven der Klaas and Negret Alvaro José.: . .