Cita APA (7a ed.)

Soil Science Society of América. (1991). Micronutrients in agriculture (2nd edition.). SSSA.

Cita Chicago Style (17a ed.)

Soil Science Society of América. Micronutrients in Agriculture. 2nd edition. Madison, Wisconsin: SSSA, 1991.

Cita MLA (8a ed.)

Soil Science Society of América. Micronutrients in Agriculture. 2nd edition. SSSA, 1991.