Cita APA (7a ed.)

Whalen, J. K., & Whalen, J. K. (2012). Soil Fertility Improvement and Integrated Nutrient Management: A Global Perspective. IntechOpen.

Cita Chicago Style (17a ed.)

Whalen, Joann K., y Joann K. Whalen. Soil Fertility Improvement and Integrated Nutrient Management: A Global Perspective. Rijeka, Croatia: IntechOpen, 2012.

Cita MLA (9a ed.)

Whalen, Joann K., y Joann K. Whalen. Soil Fertility Improvement and Integrated Nutrient Management: A Global Perspective. IntechOpen, 2012.