APA

Hammer C. U., Bengtsson L. O., . (2001). Geosphere-biosphere interactions and climate. Cambridge: Cambridge University Press.

Chicago

Hammer Claus U, Bengtsson Lennart O, . 2001. Geosphere-biosphere interactions and climate. Cambridge: Cambridge University Press.

Harvard

Hammer C. U., Bengtsson L. O., . (2001). Geosphere-biosphere interactions and climate. Cambridge: Cambridge University Press.

MLA

Hammer Claus U, Bengtsson Lennart O, . Geosphere-biosphere interactions and climate. Cambridge: Cambridge University Press. 2001.