Cita APA (7a ed.)

Vaughan, D., & Malcolm, R. E. (1985). SOIL organic matter and biological activity. M. Nijhoff/W. Junk.

Cita Chicago Style (17a ed.)

Vaughan, D., y R. E. Malcolm. SOIL Organic Matter and Biological Activity. Dordrecht, Holanda: M. Nijhoff/W. Junk, 1985.

Cita MLA (8a ed.)

Vaughan, D., y R. E. Malcolm. SOIL Organic Matter and Biological Activity. M. Nijhoff/W. Junk, 1985.