Cita APA (7a ed.)
Piikki, K., Söderström, M., Sommer, R., & Silva, M. A. d. (2019). Physical topsoil properties in Murugusi, Western Kenya. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Piikki, Kristin, Mats Söderström, Rolf Sommer, y Mayesse Aparecida da Silva. Physical Topsoil Properties in Murugusi, Western Kenya. International Center for Tropical Agriculture, 2019.
Cita MLA (9a ed.)
Piikki, Kristin, et al. Physical Topsoil Properties in Murugusi, Western Kenya. International Center for Tropical Agriculture, 2019.
Precaución: Estas citas no son 100% exactas.