एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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