Cita APA

Konrad Mengel. (1982). Principles of plant nutrition. Switzelend: International Potash Institute.

Chicago Style Citation

Konrad Mengel. Principles of Plant Nutrition. Switzelend: International Potash Institute, 1982.

Cita MLA

Konrad Mengel. Principles of Plant Nutrition. Switzelend: International Potash Institute, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.