Cita APA (7a ed.)
Ryan, J., Smithson, P., Mandac, B., & Uponi, J. (2002). Role of International Research Centers' Soil Laboratories in Agricultural Development. Informa UK Limited.
Cita Chicago Style (17a ed.)
Ryan, John, Paul Smithson, Bernardita Mandac, y Joseph Uponi. Role of International Research Centers' Soil Laboratories in Agricultural Development. Informa UK Limited, 2002.
Cita MLA (9a ed.)
Ryan, John, et al. Role of International Research Centers' Soil Laboratories in Agricultural Development. Informa UK Limited, 2002.
Precaución: Estas citas no son 100% exactas.