APA (7th ed.) Citation

Gradl, J., Zech, W., Horn, R., Kaupenjohann, M., & Hantschel, R. (1988). Ecologically important differences between equilibrium and percolation soil extracts, Bavaria. Geoderma, 43(2/3), 213.

Chicago Style (17th ed.) Citation

Gradl, J., W. Zech, R. Horn, M. Kaupenjohann, and R. Hantschel. "Ecologically Important Differences Between Equilibrium and Percolation Soil Extracts, Bavaria." Geoderma 43, no. 2/3 (1988): 213.

MLA (9th ed.) Citation

Gradl, J., et al. "Ecologically Important Differences Between Equilibrium and Percolation Soil Extracts, Bavaria." Geoderma, vol. 43, no. 2/3, 1988, p. 213.