APA (7th ed.) Citation

Mengel, K., & Kirkby, E. A. (1982). Principles of plant nutrition (3. ed. (completely rev.).). Internat. Potash Inst.

Chicago Style (17th ed.) Citation

Mengel, Konrad, and Ernest A. Kirkby. Principles of Plant Nutrition. 3. ed. (completely rev.). Worblaufen-Bern: Internat. Potash Inst, 1982.

MLA (9th ed.) Citation

Mengel, Konrad, and Ernest A. Kirkby. Principles of Plant Nutrition. 3. ed. (completely rev.). Internat. Potash Inst, 1982.