Cita APA (7a ed.)

(2009). Changing alpine treeline: The example of Glacier National Park, MT, USA. Elsevier.

Cita Chicago Style (17a ed.)

Changing Alpine Treeline: The Example of Glacier National Park, MT, USA. Amsterdam: Elsevier, 2009.

Cita MLA (8a ed.)

Changing Alpine Treeline: The Example of Glacier National Park, MT, USA. Elsevier, 2009.