Cita APA

Mehuys, G. R., Tiessen, K. H., Villatoro, M., Sancho, F., & Lobb, D. A. (2009). Tillage erosion by the disc plow on steepland volcanic soils in Costa Rica.

Chicago Style Citation

Mehuys, Guy R., Kevin H.D Tiessen, Mario Villatoro, Freddy Sancho, i David A. Lobb. Tillage Erosion By the Disc Plow On Steepland Volcanic Soils in Costa Rica. 2009.

Cita MLA

Mehuys, Guy R., et al. Tillage Erosion By the Disc Plow On Steepland Volcanic Soils in Costa Rica. 2009.