APA (7th ed.) Citation

Jeffrey, D. W. (1987). Soil-plant relationships: An ecological approach. Timber Press.

Chicago Style (17th ed.) Citation

Jeffrey, D. W. Soil-plant Relationships: An Ecological Approach. Portland: Timber Press, 1987.

MLA (9th ed.) Citation

Jeffrey, D. W. Soil-plant Relationships: An Ecological Approach. Timber Press, 1987.

Warning: These citations may not always be 100% accurate.