Cita APA

STEVENSON, F. Humus chemistry, genesis, composition, recictions / F.J. STEVENSON. New York.

Chicago Style (17th ed.) Citation

STEVENSON, F.J. Humus Chemistry, Genesis, Composition, Recictions / F.J. STEVENSON. New York.

Cita MLA

STEVENSON, F.J. Humus Chemistry, Genesis, Composition, Recictions / F.J. STEVENSON. New York.

Atenció: Aquestes cites poden no estar 100% correctes.