Cita APA (7a ed.)
Syers, J., Penning de Vries, F. W., & Nyamudeza, P. (2001). The sustainable management of vertisols. CAB International.
Cita Chicago Style (17a ed.)
Syers, J.K, Frits W.T Penning de Vries, y P. Nyamudeza. The Sustainable Management of Vertisols. CAB International, 2001.
Cita MLA (9a ed.)
Syers, J.K, et al. The Sustainable Management of Vertisols. CAB International, 2001.
Precaución: Estas citas no son 100% exactas.