APA (7th ed.) Citation

Phelps, W. R., Kais, A. G., & Nicholls, T. H. (1978). Brown-spot needle blight of pines ([Rev. Aug. 1978.].). Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Phelps, W. R., A. G. Kais, and Thomas H. Nicholls. Brown-spot Needle Blight of Pines. [Rev. Aug. 1978.]. [Washington]: Dept. of Agriculture, Forest Service, 1978.

MLA (9th ed.) Citation

Phelps, W. R., et al. Brown-spot Needle Blight of Pines. [Rev. Aug. 1978.]. Dept. of Agriculture, Forest Service, 1978.