APA استشهاد

Tranquillini, W. (1979). Physiological ecology of the alpine timberline. Tree existence at high altitudes. Springer-Verlag.

استشهاد بنمط شيكاغو

Tranquillini, Walter. Physiological Ecology of the Alpine Timberline. Tree Existence at High Altitudes. New York: Springer-Verlag, 1979.

MLA استشهاد

Tranquillini, Walter. Physiological Ecology of the Alpine Timberline. Tree Existence at High Altitudes. Springer-Verlag, 1979.