Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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