एपीए उद्धरण

Wieser, J. (1973). Vegetation of the earth ecological systems of the geo-biosphere. Springer-Verlag.

शिकागो स्टाइल उद्धरण

Wieser, Joy. Vegetation of the Earth Ecological Systems of the Geo-biosphere. New York: Springer-Verlag, 1973.

एमएलए उद्धरण

Wieser, Joy. Vegetation of the Earth Ecological Systems of the Geo-biosphere. Springer-Verlag, 1973.