APA (7th ed.) Citation

Robertson, G. P. (1999). Standard soil methods long term ecological research. Oxford University Press.

Chicago Style (17th ed.) Citation

Robertson, G. Philip. Standard Soil Methods Long Term Ecological Research. New York: Oxford University Press, 1999.

MLA (9th ed.) Citation

Robertson, G. Philip. Standard Soil Methods Long Term Ecological Research. Oxford University Press, 1999.