Cita APA (7a ed.)
Georges, K., & Kirkby, R. A. (1988). Soil organic matter: Review of research results. Southern Africa Development Coordination Conference (SADCC).
Cita Chicago Style (17a ed.)
Georges, K., y Roger A. Kirkby. Soil Organic Matter: Review of Research Results. Southern Africa Development Coordination Conference (SADCC), 1988.
Cita MLA (9a ed.)
Georges, K., y Roger A. Kirkby. Soil Organic Matter: Review of Research Results. Southern Africa Development Coordination Conference (SADCC), 1988.
Precaución: Estas citas no son 100% exactas.