Cita APA (7th ed.)

(1986). The role of organic matter in modern: Agriculture. Martinus Nijhoff.

Cita Chicago (17th ed.)

The Role of Organic Matter in Modern: Agriculture. Dordrecht: Martinus Nijhoff, 1986.

Cita MLA (9th ed.)

The Role of Organic Matter in Modern: Agriculture. Martinus Nijhoff, 1986.