APA

Walter H., Wieser J. & Walter H. (1973). Vegetation of the earth in relation to climate and the eco-physiological conditions. New York [u.a.]: Engl. Univ. Press [u.a.].

Chicago

Walter Heinrich, Wieser Joy and Walter Heinrich. 1973. Vegetation of the earth in relation to climate and the eco-physiological conditions. New York [u.a.]: Engl. Univ. Press [u.a.].

Harvard

Walter H., Wieser J. and Walter H. (1973). Vegetation of the earth in relation to climate and the eco-physiological conditions. New York [u.a.]: Engl. Univ. Press [u.a.].

MLA

Walter Heinrich, Wieser Joy and Walter Heinrich. Vegetation of the earth in relation to climate and the eco-physiological conditions. New York [u.a.]: Engl. Univ. Press [u.a.]. 1973.