APA Citation

Mengel, K., & Kirkby, E. A. (1987). Principles of plant nutrition. Bern: International Potash Institute.

Chicago Style Citation

Mengel, K., and E. A. Kirkby. Principles of Plant Nutrition. Bern: International Potash Institute, 1987.

MLA Citation

Mengel, K., and E. A. Kirkby. Principles of Plant Nutrition. Bern: International Potash Institute, 1987.

Warning: These citations may not always be 100% accurate.