Cita APA (7a ed.)
Lal, R., & Greenland, D. (1984). Physical properties of soils with low activity clays.
Cita Chicago Style (17a ed.)
Lal, R., y D.J Greenland. Physical Properties of Soils with Low Activity Clays. 1984.
Cita MLA (9a ed.)
Lal, R., y D.J Greenland. Physical Properties of Soils with Low Activity Clays. 1984.
Precaución: Estas citas no son 100% exactas.