APA

Eyre S. R., . (1971). World vegetation. New York, USA: Columbia University Press.

Chicago

Eyre S R, . 1971. World vegetation. New York, USA: Columbia University Press.

Harvard

Eyre S. R., . (1971). World vegetation. New York, USA: Columbia University Press.

MLA

Eyre S R, . World vegetation. New York, USA: Columbia University Press. 1971.