Cita APA

(1968). The role of potassium in agriculture. Madison, Wis: American Society of Agronomy.

Chicago Style Citation

The Role of Potassium in Agriculture. Madison, Wis: American Society of Agronomy, 1968.

Cita MLA

The Role of Potassium in Agriculture. Madison, Wis: American Society of Agronomy, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.