Cita APA

Robertson, G. P. (1999). Standard soil methods for long-term ecological research. New York: Oxford University Press.

Citación estilo Chicago

Robertson, G. P. Standard Soil Methods for Long-term Ecological Research. New York: Oxford University Press, 1999.

Cita MLA

Robertson, G. P. Standard Soil Methods for Long-term Ecological Research. New York: Oxford University Press, 1999.