Cita APA (7th ed.)

O'Hare, G. (1988). Soils, vegetation, ecosystems. Oliver & Boyd.

Cita Chicago (17th ed.)

O'Hare, Greg. Soils, Vegetation, Ecosystems. London: Oliver & Boyd, 1988.

Cita MLA (9th ed.)

O'Hare, Greg. Soils, Vegetation, Ecosystems. Oliver & Boyd, 1988.