APA citiranje

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.

Citación estilo Chicago

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

MLA citiranje

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