APA

Walter H., . (1978). Vegetation of the earth and ecological systems of the geo biosphere. New York: Springer-Verlag.

Chicago

Walter Heinrich, . 1978. Vegetation of the earth and ecological systems of the geo biosphere. New York: Springer-Verlag.

Harvard

Walter H., . (1978). Vegetation of the earth and ecological systems of the geo biosphere. New York: Springer-Verlag.

MLA

Walter Heinrich, . Vegetation of the earth and ecological systems of the geo biosphere. New York: Springer-Verlag. 1978.