APA (7th ed.) Citation

Trudgill, S. T. (1977). Soil and vegetation systems. Clarendon Press.

Chicago Style (17th ed.) Citation

Trudgill, Stephen Thomas. Soil and Vegetation Systems. Oxford, Eng.: Clarendon Press, 1977.

MLA (9th ed.) Citation

Trudgill, Stephen Thomas. Soil and Vegetation Systems. Clarendon Press, 1977.