Cita APA (7th ed.)

Ross, S. (1989). Soil processes: A systematic approach. Routledge.

Cita Chicago (17th ed.)

Ross, Sheila. Soil Processes: A Systematic Approach. London: Routledge, 1989.

Cita MLA (9th ed.)

Ross, Sheila. Soil Processes: A Systematic Approach. Routledge, 1989.