Cita APA (7a ed.)

Foth, H. D., & Ellis, B. G. (1997). Soil fertility (2nd edition.). CRC.

Cita Chicago Style (17a ed.)

Foth, Henry D., y Boyd G. Ellis. Soil Fertility. 2nd edition. Florida: CRC, 1997.

Cita MLA (8a ed.)

Foth, Henry D., y Boyd G. Ellis. Soil Fertility. 2nd edition. CRC, 1997.