Cita APA (7a ed.)

Foth, H. D., & Ellis, B. G. (1988). Soil fertility. John Wiley.

Cita Chicago Style (17a ed.)

Foth, Henry D., y Boyd G. Ellis. Soil Fertility. New York: John Wiley, 1988.

Cita MLA (8a ed.)

Foth, Henry D., y Boyd G. Ellis. Soil Fertility. John Wiley, 1988.