Cita APA (7a ed.)

Stille, D. R. (1990). Soil erosion and pollution. Children,Press.

Cita Chicago Style (17a ed.)

Stille, Darlene R. Soil Erosion and Pollution. Chicago: Children,Press, 1990.

Cita MLA (8a ed.)

Stille, Darlene R. Soil Erosion and Pollution. Children,Press, 1990.