APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

Opozorilo: Ti citati niso vedno 100% točni.