Cita APA (7a ed.)
Edje, O., Semoka, J., & Haule, K. (1988). Traditional forms of soil fertility maintenance. Southern Africa Development Coordination Conference (SADCC).
Cita Chicago Style (17a ed.)
Edje, O.T, JMR Semoka, y KL Haule. Traditional Forms of Soil Fertility Maintenance. Southern Africa Development Coordination Conference (SADCC), 1988.
Cita MLA (9a ed.)
Edje, O.T, et al. Traditional Forms of Soil Fertility Maintenance. Southern Africa Development Coordination Conference (SADCC), 1988.
Precaución: Estas citas no son 100% exactas.