APA (7th ed.) Citation

Maas, S. J., Griffiths, J. F., Sharpe, P. J., & Vietor, D. M. (1985). Modeling the competitive environment of field crops.

Chicago Style (17th ed.) Citation

Maas, Stephan Joseph, John F. Griffiths, Peter J. Sharpe, and Donald M. Vietor. Modeling the Competitive Environment of Field Crops. 1985.

MLA (9th ed.) Citation

Maas, Stephan Joseph, et al. Modeling the Competitive Environment of Field Crops. 1985.