APA (7th ed.) Citation

Bridges, D. C., Cothren, J. T., Merkle, M. G., & Sharpe, P. J. H. (1987). Techniques for modeling phenological development of weed populations.

Chicago Style (17th ed.) Citation

Bridges, David Curtis, J. T. Cothren, M. G. Merkle, and P. J. H. Sharpe. Techniques for Modeling Phenological Development of Weed Populations. 1987.

MLA (9th ed.) Citation

Bridges, David Curtis, et al. Techniques for Modeling Phenological Development of Weed Populations. 1987.