Cita APA (7a ed.)

Sumner, M. E., & Stewart, B. A. (1992). Soil crusting: Chemical and physical processes. Lewis.

Cita Chicago Style (17a ed.)

Sumner, Malcoln E., y Bobby A. Stewart. Soil Crusting: Chemical and Physical Processes. Boca Raton: Lewis, 1992.

Cita MLA (8a ed.)

Sumner, Malcoln E., y Bobby A. Stewart. Soil Crusting: Chemical and Physical Processes. Lewis, 1992.