एपीए उद्धरण

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.

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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