Cita APA (7a ed.)
Thierfelder, C. L., Stahr, K., & Amézquita Collazos, E. (2003). Soil crusting and sealing in the Andean hillsides of Colombia and its impact on water infiltration. klartext GmbH.
Cita Chicago Style (17a ed.)
Thierfelder, Christian L., Karl Stahr, y Edgar Amézquita Collazos. Soil Crusting and Sealing in the Andean Hillsides of Colombia and Its Impact on Water Infiltration. klartext GmbH, 2003.
Cita MLA (9a ed.)
Thierfelder, Christian L., et al. Soil Crusting and Sealing in the Andean Hillsides of Colombia and Its Impact on Water Infiltration. klartext GmbH, 2003.
Precaución: Estas citas no son 100% exactas.